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 Post subject: AR buffer types and weights
New postPosted: 29 Jan 2006, 15:03 
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BUFFER WEIGHTS

Rifle - 5.15oz, aluminum
CAR - 2.9oz, aluminum

H - 3.77oz
H2 - 4.7oz
H3 – 5.6oz

9mm - 5.47oz, steel
9mm A - 6.3oz CAR style buffer
9mm B - 7.1oz CAR style buffer
9mm X - 7.9oz CAR style buffer

X buffer is also longer than a .223 buffer and can only be used in a 9mm setup and will not alow a .223 upper to function.

DPMS counterweight CAR buffer 5.4oz

http://www.brownells.com/aspx/NS/store/ ... spx?p=5574



Hydraulic and mechanical buffers.

Enidine

http://www.brownells.com/aspx/NS/Store/ ... +AR-RESTOR?

MGI

http://www.brownells.com/aspx/NS/store/ ... ING+BUFFER

Advanced Armament Company

http://www.brownells.com/aspx/NS/store/ ... TE+REDUCER

Olympic Arms

http://www.olyarms.com/?page=m3_ac4


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 Post subject:
New postPosted: 31 Jan 2006, 10:29 
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The MGI carbine buffer weighs 7.2 ounces.

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 Post subject:
New postPosted: 31 Jan 2006, 20:26 
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I also found this. A weight system for your bolt carrier.

SUPERIOR SHOOTING

http://www.brownells.com/aspx/NS/store/ ... GHT+SYSTEM

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Quote:
SPECS: Sleeve, steel, black, matte finish. 2-1/8" (5.4cm) long. 1.54 oz. (43.7 g) wt. Stainless steel insert 1.25 oz. (35.4 g) wt. Tungsten insert 2.51 oz. (71.1 g) wt. May require minor fitting.


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 Post subject:
New postPosted: 31 Jan 2006, 20:40 
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The original counterpoise system used a carrier weight.

http://www.ketmer.com/armforte/cpoise/index.htm

http://www.ccfa.com/ColtCounterpoise.htm


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 Post subject:
New postPosted: 01 Mar 2006, 08:46 
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I've found a couple discrepancies. Probably due to variences in mfg.

I use a Digital postal scale at work to weigh these.

Rifle buffer - 5.1 oz (not really a big deal when we're talking .05 of an oz)

Car H buffer - 3.0 oz I'm pretty sure this a Colt mfg (dark gold color), but I may be wrong.

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 Post subject:
New postPosted: 01 Mar 2006, 09:33 
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I have two of the DPMS counterweight buffers on order from Brownells. I plan to use them in place of the H buffers in my 16" carbine and 16" midlength. I'll let you know what differences I notice.


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 Post subject:
New postPosted: 01 Mar 2006, 14:48 
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FYI. We ran a 20inch government barreled upper on an M16 lower with a car stock and an MGI buffer. What a difference in the cyclic rate. It sounded almost like an M60 and was so easy to control on full auto.

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 Post subject:
New postPosted: 18 Mar 2006, 14:56 
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Took the 16" midlength and 16" M4 carbines out today and ran them with the DPMS counterweight buffers. They ran perfect in conjuction with the M16 carriers that are in them. Recoil felt more like a slow push than a fast tap. I think second shot recovery is a little quicker.


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 Post subject:
New postPosted: 18 Mar 2006, 15:01 
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I just picked up a 9mm upper and sent the bolt to M60Joe.com to have it ramped. He also removed the stock weight and installed a Tunsten weight. I weighed the stock weight which is 3.4 ounces. Not sure what the Tunsten adds but according to Joe it's supposed to add 2-3 ounces over the stock weight. I'm thinking of installing the stock weight in one of my 5.56 carriers and using that with an H buffer in one of my new builds.

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 Post subject:
New postPosted: 20 Aug 2006, 15:51 
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Does anyone know how much this buffer weights? I'm guessing it's along the lines of the 9mm X buffer in length and weight?

http://www.brownells.com/aspx/NS/store/ ... BER+BUFFER

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 Post subject:
New postPosted: 20 Aug 2006, 16:11 
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AZ_Gun_Nut wrote:
Does anyone know how much this buffer weights? I'm guessing it's along the lines of the 9mm X buffer in length and weight?

http://www.brownells.com/aspx/NS/store/ ... BER+BUFFER

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They were made by Hahn for the Cav 45's

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 Post subject:
New postPosted: 06 Apr 2007, 16:26 
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well the add said 8oz of lead inside so I guess its over that


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 Post subject: Re: AR buffer types and weights
New postPosted: 15 Mar 2012, 11:24 
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I got my wife the ST-2 from Spike's Tactical to reduce recoil in her M4.

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 Post subject: Re: AR buffer types and weights
New postPosted: 15 Mar 2012, 12:23 
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The spikes is sub-optimal.... lack of real tungsten weights nets a little more bolt bounce than a real buffer of equivalent weight.

There are high speed videos of this on youtube. I'd have gone with an H2 or H3 depending on the gun and it's gas port/bbl length.

(better still... a Vltor A5 RE and buffer if she doesn't need the stock completely collapsed to shoot)


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