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brushdog
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Posted: 9/13/2004 10:34:43 PM
[Last Edit: 5/6/2005 3:40:51 PM 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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AR15Mudder
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Posted: 9/15/2004 12:00:54 AM
[Last Edit: 9/15/2004 12:04:34 AM by AR15Mudder]
TheRicker
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Posted: 9/15/2004 9:56:34 AM
Thanks for the pics and hard work.

BTW, we will very shortly have all the parts from RRA to convert their pinned full-length stocks.

They're sending receiver extention tubes and all the hardware required.

More info when they arrive...
www.adcofirearms.com

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bigbore
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Posted: 9/15/2004 1:19:55 PM
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........
www.adcofirearms.com
Dolomite
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Posted: 9/27/2004 4:19:37 PM
Tag-a-rooni
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wildearp
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Posted: 9/27/2004 7:59:02 PM
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.
munyguru
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Posted: 10/5/2004 11:14:56 PM
TAGGED!
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alpo
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Posted: 10/15/2004 10:54:34 PM
tagged for future use!!!
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Stasher1
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Posted: 10/16/2004 12:26:04 PM
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...
thinman
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Posted: 10/16/2004 12:32:17 PM
I may look skinny, but damn-it:

I don't weigh much!!!
BDHershey
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Posted: 10/30/2004 7:46:23 PM
How about some info on the RRA conversion?


-Hershey
BDHershey
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Posted: 10/31/2004 12:13:55 AM
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
Not_A_Llama
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Posted: 10/31/2004 1:13:05 AM
The hole belongs there

What's the cost of the plunger hardware from Brownell? (plunger, spring, nut, rollpin)
Quarterbore
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Posted: 10/31/2004 8:03:36 AM
[Last Edit: 10/31/2004 8:08:55 AM 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?

www.Quarterbore.com
bigbore
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Posted: 10/31/2004 8:13:01 AM

Originally Posted 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?

www.brownells.com/Images/Schematics/colt-slidingbuttstock.gif



Stock conversion kits
www.adcofirearms.com
FRO
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Posted: 10/31/2004 9:07:08 AM
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Posted: 10/31/2004 5:41:53 PM

+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.
Tman
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Posted: 11/2/2004 9:40:43 AM
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 )

Operator2
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Posted: 2/1/2005 9:51:18 PM
Can you use an A2 buffer and spring in the CAR tube?
BDHershey
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Posted: 2/1/2005 11:08:18 PM
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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Posted: 2/8/2005 11:47:56 PM
Tag
helogene
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Posted: 2/9/2005 1:16:58 AM
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Lazyshooter
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Posted: 2/9/2005 1:21:03 AM
Going to have to tag this one.
brushdog
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Posted: 5/6/2005 3:42:00 PM
So that this thread doesn't disappear into the Archive server.
WOLF AMMO EATS SMALL CHILDREN.
Quarterbore
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Posted: 5/6/2005 3:55:46 PM
[Last Edit: 5/6/2005 4:00:51 PM 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!

www.Quarterbore.com
brushdog
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Posted: 5/6/2005 4:01:32 PM

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.
WOLF AMMO EATS SMALL CHILDREN.
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