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Meat Popsicle
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Posted: 9/13/2004 5:34:43 PM EST
[Last Edit: 5/6/2005 10:40:51 AM EST by brushdog]
First, it's easier to just buy a new stock, but if you must, here is one answer. Depending on how much you could find the parts, or if you already have some of them, you might only save about $20.

I got a fixed stock included in a trade and wanted to play with it. It's a Bushmaster stock with the full length tube and buffer, with the M4 stock pinned into place. I had another RRA M4 stock that is collapsible, so I could compare and use as a correct model.

Here is a list of the stuff you will need.
6 position tube-I believe CMMG has them for $20.
Carbine buffer and spring- I already had a spare set.
You will also need # 3,4,5,6 from the following schematic-www.brownells.com/Images/Schematics/colt-slidingbuttstock.gif


The first step is to remove the stock assembly from the rifle. Take the large allen screw off the stock.

Drill or dremel down the pins. They only have to be ground down enough to let the stock slide off.

Originally Posted By bigbore:
instead of drilling out the set pins in the extension, I take punch and pound them the rest of the way into the extensin. The stock slips right off........






Next, I found a drill bit that is the same diameter as my RRA collapsible stock (5/16"). I dropped the drill bit down into the RRA stock and marked the bit so I wouldn't go to far. Then I set up the Bushmaster stock on the drill press-DON'T drill all they way through the stock, or the pin holding the spring and nut will slip down through the bottom of the stock.





Then start assembling the buttstock, drop the spring and bolt into the stock from the top, and then the other parts from the bottom. I found it easiest to install the nut and lock pin by sliding in the old full length tube in the stock so it compresses the spring so I could install the lock pin effortlessly.




Stock on my M4 clone


Edited to fix links!
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Link Posted: 9/14/2004 7:00:54 PM EST
[Last Edit: 9/14/2004 7:04:34 PM EST by AR15Mudder]

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Link Posted: 9/15/2004 4:56:34 AM EST
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Link Posted: 9/15/2004 8:19:55 AM EST
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Link Posted: 9/27/2004 11:19:37 AM EST
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Link Posted: 9/27/2004 2:59:02 PM EST
I looked inside mine first. The shiney stuff all the way around was epoxy. I sold it to (in less than an hour on EE) and bought an M-4 stock.

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Link Posted: 10/5/2004 6:14:56 PM EST
TAGGED!
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Link Posted: 10/15/2004 5:54:34 PM EST
tagged for future use!!!
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Link Posted: 10/16/2004 7:26:04 AM EST
Fixed stocks are not all the same. My DPMS fixed stock just had two blind roll pins and a bit of epoxy holding it in place. The spring, latch, carbine buffer, and all other necessary parts were already there.

Be sure to look it over carefully before you order any new parts you may not need...

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Link Posted: 10/16/2004 7:32:17 AM EST
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Link Posted: 10/30/2004 2:46:23 PM EST
How about some info on the RRA conversion?


-Hershey

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Link Posted: 10/30/2004 7:13:55 PM EST
Nevermind, that was kind of a brain fart question, I got it.


Although.....


Any ideas or success in filling the new hole in the top of the stock for aesthetics?


-Hershey

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Link Posted: 10/30/2004 8:13:05 PM EST
The hole belongs there

What's the cost of the plunger hardware from Brownell? (plunger, spring, nut, rollpin)

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Link Posted: 10/31/2004 3:03:36 AM EST
[Last Edit: 10/31/2004 3:08:55 AM EST by Quarterbore]
Anybody have the price for these parts to convert the fake to a real CAR?

IE: #3,4,5,6
Confirm CMMG sells the tbues for $20
Plus fake CAR stock on the forums for about $25
----------------------------------------------------------
Price = $45 + price of 3,4,5,6 = ????

I wonder if comparable parts could be purchased from a local hardware?

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Link Posted: 10/31/2004 3:13:01 AM EST
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Link Posted: 10/31/2004 4:07:08 AM EST

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Link Posted: 10/31/2004 12:41:53 PM EST

+1, I did the same on my post-bad Bushy, just picked up a buffer tube and other parts, half hour job. I had to file the inside of the stock to get it to slide, but it fits tight and doesn't rattle like some.

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Link Posted: 11/2/2004 4:40:43 AM EST
RRA sells the tubes ( #8 ) for $15.
Part #5 $5.00
Part #6 $1.00
Part #4 $3.50
Part #3 $0.50

Parts 3-6 are not listed in their catalog or on the web site. You gotta call ( early morning is best, they open at 8 AM CST 1-309-792-5780 )


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Link Posted: 2/1/2005 4:51:18 PM EST
Can you use an A2 buffer and spring in the CAR tube?

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Link Posted: 2/1/2005 6:08:18 PM EST
Too long. The stock won't be able to fully collapse. ADCO was selling a conversion kit. I picked one up. All parts are included that you'll need. Follow the directions as listed above.


-Hershey

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Link Posted: 2/8/2005 6:47:56 PM EST
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Link Posted: 2/8/2005 8:16:58 PM EST
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Link Posted: 2/8/2005 8:21:03 PM EST
Going to have to tag this one.

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Link Posted: 5/6/2005 10:42:00 AM EST
So that this thread doesn't disappear into the Archive server.
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Link Posted: 5/6/2005 10:55:46 AM EST
[Last Edit: 5/6/2005 11:00:51 AM EST by Quarterbore]

Originally Posted By brushdog:
So that this thread doesn't disappear into the Archive server.



Would you mind if I post this over on my forums at www.quarterbore.net?

I don't need to deete the old posts as I don't have 80K visitors a day like this place!

I went with the assumption you wouldn't mind... SEE: www.quarterbore.net/forums/showthread.php?p=1136#post1136

I will move the pics to my servers after you indicate you don't mind me hosting the info!

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Link Posted: 5/6/2005 11:01:32 AM EST

Originally Posted By Quarterbore:

Originally Posted By brushdog:
So that this thread doesn't disappear into the Archive server.



Would you mind if I post this over on my forums at www.quarterbore.net?

I don't need to deete the old posts as I don't have 80K visitors a day like this place!

I went with the assumption you wouldn't mind... SEE: www.quarterbore.net/forums/showthread.php?p=1136#post1136

I will move the pics to my servers after you indicate you don't mind me hosting the info!




Not a problem.
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Link Posted: 5/6/2005 12:17:29 PM EST

Originally Posted By Stasher1:
Fixed stocks are not all the same. My DPMS fixed stock just had two blind roll pins and a bit of epoxy holding it in place. The spring, latch, carbine buffer, and all other necessary parts were already there.

Be sure to look it over carefully before you order any new parts you may not need...



Can anyone else verify that the DPMS stocks were like this? I'm wondering cause I saw DPMS post-ban "collapsibles" in SGN for under $20! If everything is there that's a bargain!

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Link Posted: 5/6/2005 12:26:28 PM EST
I have heard that SOME stocks were glued and not just pinned.
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Link Posted: 5/6/2005 1:16:37 PM EST
[Last Edit: 5/6/2005 5:00:34 PM EST by IceMan_1]
Another way to remove the roll pins is to use a drill bit just small enough to go through the roll pin it self and drill out through the other side ( there by locating the pin 's on the blind side ) , then use a drill bit the same size as the roll pin and finnish drilling the blind side . Then you can use a punch and punch the pin's out . This leaves it with two nice clean holes and no gouge or grind marks .

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Link Posted: 5/6/2005 3:07:11 PM EST
I have a DPMS Post Ban Non-Collapsible/collapsible stock, and it's FULL of epoxy.....

Not worth messing with, and I've talked to one of the local Gun Show Vendors that does DPMS stuff, and he is of the same opinion. I even thought of busting the old stock off, and just getting a new slip on, but, it just isn't worth it.

For what it's worth, my stock DID come with the correct spring/buffer, not the rifle spring and buffer.


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