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[ARCHIVED THREAD] - Is it true ? (Page 1 of 2)

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12/29/2010 2:16:39 PM EDT
Someone told me that Colt lowers have a high shelf / ledge. I take it means the part of the receiver
behind the FCG is not machined to the proper depth. In fact it creates a sear block, just not the kind
you can see. That is how they get away with using FA carriers.

Please say it not so
12/29/2010 11:39:07 AM EDT
[#1]
I do believe that they have a high shelf so an auto sear wont fit in there.  I don't know if that is related to the  F/A carrier or anything else for that matter. They also put a block in there too to prevent the auto sear usage.
12/29/2010 11:51:50 AM EDT
[#2]
has nothing to do with being able to "get away" with using FA carrier because it is perfectly legal to use a FA carrier in a semi auto.
12/29/2010 11:56:19 AM EDT
[#3]
The older ones 90's era I think had the sear block
They stopped it in 97 or 98
Any one else besides Colt and LMT using the High
shelf ?
12/29/2010 11:59:12 AM EDT
[#4]
Quoted:
has nothing to do with being able to "get away" with using FA carrier because it is perfectly legal to use a FA carrier in a semi auto.


I thought ATF said no full auto parts in anything that can be converted
12/29/2010 12:07:04 PM EDT
[#5]
Quoted:
Quoted:
has nothing to do with being able to "get away" with using FA carrier because it is perfectly legal to use a FA carrier in a semi auto.


I thought ATF said no full auto parts in anything that can be converted


They also said the bolt carrier was not one of those parts as it has legitimate use in semi-auto rifles. Almost everyone who makes AR-15s uses the full auto bolt carriers.
12/29/2010 12:20:48 PM EDT
[#6]
Quoted:
Quoted:
Quoted:
has nothing to do with being able to "get away" with using FA carrier because it is perfectly legal to use a FA carrier in a semi auto.


I thought ATF said no full auto parts in anything that can be converted


They also said the bolt carrier was not one of those parts as it has legitimate use in semi-auto rifles. Almost everyone who makes AR-15s uses the full auto bolt carriers.


OK If that's true why is Colt and LMT making high shelf lowers, or is everyone's
the same ?

The reason I ask is because I almost bought a 6920 today, but now I'm rethinking it

12/29/2010 12:27:29 PM EDT
[#7]
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.
12/29/2010 12:29:52 PM EDT
[#8]
Fa BCG is gtg

12/29/2010 12:36:32 PM EDT
[#9]
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.


12/29/2010 12:41:30 PM EDT
[#10]
Quoted:
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.
12/29/2010 12:44:30 PM EDT
[#11]
Quoted:
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.




You are still not getting a "true mil-spec firearm" even if they are low shelf. Do you have a RDIAS? If not, why does it matter to you that they are high shelf?

12/29/2010 12:44:53 PM EDT
[#12]
Quoted:
Quoted:
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


I think Brownells will sell you an upper only from Colt.  But, if I remember right, the price was out of whack, and you would be better off buying the complete rifle and selling the lower.


12/29/2010 12:48:11 PM EDT
[#13]
Quoted:
Quoted:
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


Not True. I know of a company that sells Colt parts and they have the complete upper. Hell they even have Colt 6920 stripped lowers. All parts are currant mfg
no seconds or blems and are new
12/29/2010 12:49:38 PM EDT
[#14]
Huh, I did not know that. :o
12/29/2010 12:56:22 PM EDT
[#15]
I think you might be on to something.
Never looked at the price
Just goes to show how much the sear blocks bug me
12/29/2010 1:03:00 PM EDT
[#16]
Quoted:
The reason I ask is because I almost bought a 6920 today, but now I'm rethinking it

Why?

Are you planning on installing a DIAS?

If so, you should know that many so-called "low shelf" lowers still require milling for the drop in auto sear to fit properly. Having a machine shop mill out that area will cost you about $60-high or low shelf

This is what a current Colt lower looks like:


ETA: No material sticks out of the lower-is that what you're worried about?

Current Colt lower side view:


Old protruding searblock (no longer in use):


12/29/2010 1:04:12 PM EDT
[#17]
Others don't use blocks and have FA bolts, it's just Colt being stupid. I won't buy a molested ar15.
12/29/2010 1:08:48 PM EDT
[#18]
Quoted:
Quoted:
The reason I ask is because I almost bought a 6920 today, but now I'm rethinking it

Why?

Are you planning on installing a DIAS?

If so, you should know that many so-called "low shelf" lowers still require milling for the drop in auto sear to fit properly. Having a machine shop mill out that area will cost you about $60-high or low shelf

This is what a current Colt lower looks like:
http://home.comcast.net/~cjan99999/Colt_Lower_copy.JPG

ETA: No material sticks out of the lower-is that what you're worried about?

Current Colt lower side view:
http://home.comcast.net/~cjan99999/M4_Trigger.JPG

Old protruding searblock (no longer in use):
http://home.comcast.net/~cjan99999/Circle_Carrier.JPG



I'm thinking FA

I got rid of a old style lower so I know what one is like

The new ones look as bad as the old ones, still don't know what Colt is thinking
The old 6920, the ones only sold to LE, maybe what I'm after. No high shelf or webs



Thanks for the pictures
12/29/2010 1:14:10 PM EDT
[#19]
Quoted:
I'm thinking about it

There's a good chance that you're going to have to have your lower milled no matter whose name is on it-high shelf, low shelf...whatever.

Your money, your choice-but don't let that unmilled web get you to thinking that a DIAS isn't feasible on a Colt

12/29/2010 1:27:55 PM EDT
[#20]
Its more then just a high shelf, it has a whole block in it. At least in the 6920, 6520, and the 6933 I've owned.
12/29/2010 1:28:06 PM EDT
[#21]
Quoted:
Quoted:
I'm thinking about it

There's a good chance that you're going to have to have your lower milled no matter whose name is on it-high shelf, low shelf...whatever.

Your money, your choice-but don't let that unmilled web get you to thinking that a DIAS isn't feasible on a Colt



Yes I know but that PC s**t  just grinds my ass

Anyone know how to remove the ugly white logo off a BMC upper ?
12/29/2010 1:29:06 PM EDT
[#22]
Quoted:
Quoted:
Quoted:
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


Not True. I know of a company that sells Colt parts and they have the complete upper. Hell they even have Colt 6920 stripped lowers. All parts are currant mfg
no seconds or blems and are new


They are buying full rifles and taking them apart and selling the parts.
12/29/2010 1:30:24 PM EDT
[#23]
Quoted:
Quoted:
Quoted:
Quoted:
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


Not True. I know of a company that sells Colt parts and they have the complete upper. Hell they even have Colt 6920 stripped lowers. All parts are currant mfg
no seconds or blems and are new


They are buying full rifles and taking them apart and selling the parts.


NO not true
12/29/2010 1:37:08 PM EDT
[#24]
Quoted:
Its more then just a high shelf, it has a whole block in it. At least in the 6920, 6520, and the 6933 I've owned.

I hear what you're saying, but my point is that chances are the lower is going to have to be milled anyway. High shelf, low shelf, unmilled web area...chances are it still has to be milled for a DIAS to clear.

Yes I know but that PC s**t just grinds my ass

For what it's worth, Colt was the first major manufacturer to go back to using full M-16 carriers, while just about everyone else was still shipping with shaved AR-15 style carriers. There were company reps on this very forum who still swore that M-16 carriers were illegal. Instead of quivering in fear about the BATFe Colt took the bull by the horns, so to speak, and demanded clarification:




Colt's move was pretty bold, and decidedly not PC
12/29/2010 1:39:49 PM EDT
[#25]
**sigh**
12/29/2010 1:44:58 PM EDT
[#26]
Quoted:
**sigh**

Just put on a happy face PW...that's what I'm trying to do


Must...not...throw...laptop...

12/29/2010 1:45:49 PM EDT
[#27]
It seems to me that those who can afford both the $10,000+ for a RDIAS and the ammo to actually use it aren't overly concerned with this high shelf issue.
12/29/2010 1:46:40 PM EDT
[#28]
Quoted:
Quoted:
Its more then just a high shelf, it has a whole block in it. At least in the 6920, 6520, and the 6933 I've owned.

I hear what you're saying, but my point is that chances are the lower is going to have to be milled anyway. High shelf, low shelf, unmilled web area...chances are it still has to be milled for a DIAS to clear.

Yes I know but that PC s**t just grinds my ass

For what it's worth, Colt was the first major manufacturer to go back to using full M-16 carriers, while just about everyone else was still shipping with shaved AR-15 style carriers. There were company reps on this very forum who still swore that M-16 carriers were illegal. Instead of quivering in fear about the BATFe Colt took the bull by the horns, so to speak, and demanded clarification:

http://home.comcast.net/~cjan99999/6520-ColtM16CarrierLetter-1a.jpg
http://home.comcast.net/~cjan99999/6521-ColtM16CarrierLetter-2a.jpg

Colt's move was pretty bold, and decidedly not PC


Then why the block, web, high shelf thing. It takes more to make the web and all than just cutting through
12/29/2010 1:56:36 PM EDT
[#29]
This is not even something to be concerned with.  Why waste time on this subject.  Only military guns are milspec anyway.
12/29/2010 1:57:46 PM EDT
[#30]
Quoted:
Quoted:
**sigh**

Just put on a happy face PW...that's what I'm trying to do


Must...not...throw...laptop...



Yea I know it hard to justify the Colt blocks when the other companies don't follow
12/29/2010 2:03:28 PM EDT
[#31]
So out of their good hearts,,,, their next step was to block the lower?
12/29/2010 2:04:51 PM EDT
[#32]
Quoted:
This is not even something to be concerned with.  Why waste time on this subject.  Only military guns are milspec anyway.


Because this is just another way of saying we don't trust you, so we'll put a block in your way

More PC bull crap and if you don't think so then why are the other mfg's not following

12/29/2010 2:06:51 PM EDT
[#33]
Quoted:
Then why the block, web, high shelf thing. It takes more to make the web and all than just cutting through

No idea. A lot of companies leave the selector stops in place too, while Colt mills them off. Why do they do it? No clue.

If you look at my pic on the previous page, you will see that the cutters on each side of the "web" are different sizes. Perhaps that's why they don't just "zip on through", but that's pure speculation on my part. I have stood at the workstations and watched while Colt lowers are being milled, but I'm not a machinist. I do know with 100% certainty that the web we are talking about is not Colt giving the their customers the middle finger. I'm sure they have a reason for it, but it's not to deliberately piss off the DIAS buying crowd.



12/29/2010 2:10:06 PM EDT
[#34]
Quoted:
Quoted:
This is not even something to be concerned with.  Why waste time on this subject.  Only military guns are milspec anyway.


Because this is just another way of saying we don't trust you, so we'll put a block in your way

More PC bull crap and if you don't think so then why are the other mfg's not following



OK kiddo, now you're just trolling-I should have known Are Rock River and Stag being PC too with their high shelf lowers?

Clearly, you have zero clue about what you're talking about-and now you're just trying to stir things up. That's the difference between the two of us.




12/29/2010 2:37:30 PM EDT
[#35]
Quoted:
Quoted:
Quoted:
This is not even something to be concerned with.  Why waste time on this subject.  Only military guns are milspec anyway.


Because this is just another way of saying we don't trust you, so we'll put a block in your way

More PC bull crap and if you don't think so then why are the other mfg's not following



OK kiddo, now you're just trolling-I should have known Are Rock River and Stag being PC too with their high shelf lowers?

Clearly, you have zero clue about what you're talking about-and now you're just trying to stir things up. That's the difference between the two of us.





NO NOT TROLLING

Hey your the one who came in saying what do I need it for or should even care about it

I was just looking for a simple answer

I've owned and shoot Colt AR's a long time, just with the AWB gone I thought Colt was through with the blocks and all but guess not

So smart guy now that I know zero I guess I'll take my money and buy another Mfg
Now go tell Colt YOU lost them a long time customer the next time your watching them cut a lower

Have a good day
12/29/2010 2:43:01 PM EDT
[#36]
Quoted:
Quoted:
Quoted:
Quoted:
This is not even something to be concerned with.  Why waste time on this subject.  Only military guns are milspec anyway.


Because this is just another way of saying we don't trust you, so we'll put a block in your way

More PC bull crap and if you don't think so then why are the other mfg's not following



OK kiddo, now you're just trolling-I should have known Are Rock River and Stag being PC too with their high shelf lowers?

Clearly, you have zero clue about what you're talking about-and now you're just trying to stir things up. That's the difference between the two of us.





NO NOT TROLLING

Hey your the one who came in saying what do I need it for or should even care about it

I was just looking for a simple answer

I've owned and shoot Colt AR's a long time, just with the AWB gone I thought Colt was through with the blocks and all but guess not

So smart guy now that I know zero I guess I'll take my money and buy another Mfg
Now go tell Colt YOU lost them a long time customer the next time your watching them cut a lower

Have a good day


I thought his answer was pretty simple.  You over complicated it because it wasnt what you wanted to hear...

Time to get off your high 2 horses (no pun intended)
12/29/2010 2:54:32 PM EDT
[#37]
Quoted:
Quoted:
Quoted:
Quoted:
This is not even something to be concerned with.  Why waste time on this subject.  Only military guns are milspec anyway.


Because this is just another way of saying we don't trust you, so we'll put a block in your way

More PC bull crap and if you don't think so then why are the other mfg's not following



OK kiddo, now you're just trolling-I should have known Are Rock River and Stag being PC too with their high shelf lowers?

Clearly, you have zero clue about what you're talking about-and now you're just trying to stir things up. That's the difference between the two of us.





NO NOT TROLLING

Hey your the one who came in saying what do I need it for or should even care about it

I was just looking for a simple answer

I've owned and shoot Colt AR's a long time, just with the AWB gone I thought Colt was through with the blocks and all but guess not

So smart guy now that I know zero I guess I'll take my money and buy another Mfg
Now go tell Colt YOU lost them a long time customer the next time your watching them cut a lower

Have a good day



Why do you care? DO YOU HAVE A RDIAS?
12/29/2010 3:18:03 PM EDT
[#38]
Nothing wrong with a Colt 6920.  get it, enjoy it, and move on.

12/29/2010 3:26:35 PM EDT
[#39]
Quoted:
Quoted:
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


The sell complete Colt replacement uppers. They are not cheap but they do exist.


There is also plenty of places that sell take-offs.
12/29/2010 6:26:55 PM EDT
[#40]
High shelf or low shelf has nothing to do with an FA BCG.  FA BCG is perfectly fine to use, an most of the higher quality ARs have them.
12/29/2010 6:52:46 PM EDT
[#41]
Quoted:
Quoted:
Quoted:
Quoted:
Quoted:
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


Not True. I know of a company that sells Colt parts and they have the complete upper. Hell they even have Colt 6920 stripped lowers. All parts are currant mfg
no seconds or blems and are new


They are buying full rifles and taking them apart and selling the parts.


NO not true


You have proof of this? Because of all the years I've been playing with guns, I've never dealt with a company that was able to get colt to sell stripped lowers.
12/29/2010 9:16:05 PM EDT
[#42]
Quoted:
Quoted:
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


Not true, you can find Colt complete lowers  HERE
And Colt uppers and spare parts HERE
12/29/2010 11:25:16 PM EDT
[#43]
Quoted:
Quoted:
Quoted:
Quoted:
This is not even something to be concerned with.  Why waste time on this subject.  Only military guns are milspec anyway.


Because this is just another way of saying we don't trust you, so we'll put a block in your way

More PC bull crap and if you don't think so then why are the other mfg's not following



OK kiddo, now you're just trolling-I should have known Are Rock River and Stag being PC too with their high shelf lowers?

Clearly, you have zero clue about what you're talking about-and now you're just trying to stir things up. That's the difference between the two of us.





NO NOT TROLLING

Hey your the one who came in saying what do I need it for or should even care about it

I was just looking for a simple answer

I've owned and shoot Colt AR's a long time, just with the AWB gone I thought Colt was through with the blocks and all but guess not

So smart guy now that I know zero I guess I'll take my money and buy another Mfg
Now go tell Colt YOU lost them a long time customer the next time your watching them cut a lower

Have a good day


the sear blocks were not part of the AWB, and may be removed at will by owner. my preban 6520 lower will lose its very soon
12/30/2010 3:06:29 AM EDT
[#44]
Quoted:
Quoted:
Quoted:
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


Not true, you can find Colt complete lowers  HERE
And Colt uppers and spare parts HERE


Those are 6921 SBR lowers that were taken off of full guns and de-registered (letter send to BATF and they were noted as no longer being SBR's in the registery).

All Colt SBR's start life as full guns.

12/30/2010 5:05:37 AM EDT
[#45]
There's a company in Arizona named Specialized Armament that is a Colt distributor.  Someone posted a link to their website above.  They sell almost all of the Colt parts and products.  They are at the Crossroads of the West –– SAR Gun Show in Phoenix every December.  They sell what appear to be new Colt lower receivers, and just about any other AR15 or M16 part you can think of.  Additionally, they seem to have several different Colt factory AR15 SBRs, 10.25", 11.5" and 14.5".

Since all of these parts are true Colt factory parts, etc., they are pretty expensive.

There are a number of manufacturers that currently make low shelf lower receivers that are DIAS and RLL compatible (without any additional milling).   There is a continuous thread on the M16 Board below titled "LL or DIAS compatible lowers?" that lists the manufacturers that do so.  Colt is not one of them anymore.  After the SP1s that were made from the mid-60's to the early 80's, and maybe some of the very early Sporter models, Colt has taken steps to prevent the use of LLs and DIAS in their lowers.
12/30/2010 6:33:00 AM EDT
[#46]
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I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


Not true, you can find Colt complete lowers  HERE
And Colt uppers and spare parts HERE


The lower on that first site is a 6921, which is a full rifle, that they pulled the upper off of. Google colt 6921. Just because someone is selling it as a complete lower, doesn't mean that is how they got it from colt.
12/30/2010 2:59:24 PM EDT
[#47]
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I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


Not true, you can find Colt complete lowers  HERE
And Colt uppers and spare parts HERE


The lower on that first site is a 6921, which is a full rifle, that they pulled the upper off of. Google colt 6921. Just because someone is selling it as a complete lower, doesn't mean that is how they got it from colt.


I know you don't want to believe it, but you can in fact buy stripped, Colt, non-NFA lowers. Go here: http://www.specializedarmament.com/catalog/Colt_AR_15_Rifles-274-0.html

Now look down five lines until you see "6920SLR  LE6920, Lower Receiver, Stripped." Now unleash your CC to the tune of $399. plus, and it's yours. SAW is a big time Colt dealer. I bought a 6920 lower from them about 5 years ago.  

12/30/2010 3:04:23 PM EDT
[#48]
Quoted:
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I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


Not true, you can find Colt complete lowers  HERE
And Colt uppers and spare parts HERE


The lower on that first site is a 6921, which is a full rifle, that they pulled the upper off of. Google colt 6921. Just because someone is selling it as a complete lower, doesn't mean that is how they got it from colt.


I know you don't want to believe it, but you can in fact buy stripped, Colt, non-NFA lowers. Go here: http://www.specializedarmament.com/catalog/Colt_AR_15_Rifles-274-0.html

Now look down five lines until you see "6920SLR  LE6920, Lower Receiver, Stripped." Now unleash your CC to the tune of $399. plus, and it's yours. SAW is a big time Colt dealer. I bought a 6920 lower from them about 5 years ago.  



It's true that you can buy colt parts from dealers like SAW, however, Spengo said that COLT MFG. only sells complete rifles & that is still true.
12/30/2010 3:40:50 PM EDT
[#49]
Quoted:
Quoted:
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Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


Not true, you can find Colt complete lowers  HERE
And Colt uppers and spare parts HERE


The lower on that first site is a 6921, which is a full rifle, that they pulled the upper off of. Google colt 6921. Just because someone is selling it as a complete lower, doesn't mean that is how they got it from colt.


I know you don't want to believe it, but you can in fact buy stripped, Colt, non-NFA lowers. Go here: http://www.specializedarmament.com/catalog/Colt_AR_15_Rifles-274-0.html

Now look down five lines until you see "6920SLR  LE6920, Lower Receiver, Stripped." Now unleash your CC to the tune of $399. plus, and it's yours. SAW is a big time Colt dealer. I bought a 6920 lower from them about 5 years ago.  



It's true that you can buy colt parts from dealers like SAW, however, Spengo said that COLT MFG. only sells complete rifles & that is still true.


I'm not disputing that. I was not referring to Spengo. My post was in response to this statement by damcv62:

"You have proof of this? Because of all the years I've been playing with guns, I've never dealt with a company that was able to get colt to sell stripped lowers."

12/30/2010 8:03:07 PM EDT
[#50]
Quoted:
Quoted:
Quoted:
Quoted:
Quoted:
I dunno... they just do. Why does Colt still only make 16" rifles with carbine length gas systems?

I would not make a high shelf lower be something to make me not buy a Colt rifle though. I mean what the heck, I don't have a DIAS so why do I care?

Also, don't let the gas system length thing I mentioned worry you too much either, Colt does use heavy buffers iirc and the gas port size makes a big difference too. You really can't go wrong with a 6920.


The high shelf thing just bugs the ****  out of me. Like the sear block in my old H-BAR
Always loved it though.

Was thinking a complete 6920 upper and Colt LPK with a S&W stripped lower. That way
I get it all, a true mill spec firearm.






Unfortunately, Colt only sells complete rifles. You might try BCM or Daniel Defense. You could also get a 14.5" barrel with a pinned A2X flash hider through them to even more closely replicate a military M4.


Not true, you can find Colt complete lowers  HERE
And Colt uppers and spare parts HERE


Those are 6921 SBR lowers that were taken off of full guns and de-registered (letter send to BATF and they were noted as no longer being SBR's in the registery).

All Colt SBR's start life as full guns.



Oh, I thought the they were talking about the ability to purchase a lower only, which is why I posted those links.  I didn't know they were talking about how the parts started life.
My point was that it is possible to purchse a Colt lower without having to purchase a whole gun.
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