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[ARCHIVED THREAD] - Recoil buffer for a mid-length

Posted: 4/18/2007 4:15:03 PM EDT

What kind of buffer should I use for a 16" mid-length with a collapsable stock?

Posted: 4/18/2007 4:27:48 PM EDT

[#1]

Just use a standard Carbine buffer. A heavy buffer would be OK, but is not necessary.

Posted: 4/18/2007 4:51:16 PM EDT

[#2]

CAR buffer or, i'd opt for the H-buffer

just make sure it works in your rifle

Posted: 4/18/2007 4:52:49 PM EDT

[#3]

i would vote for the H buffer.

Posted: 4/18/2007 5:59:00 PM EDT

[#4]

I run a standard carbine buffer; but nothing heavier than an H-buffer IMO.

It depends on a lot of factors - how is your gas port cut, how new is the carbine, how old is the spring... but generally I don't find my midlengths run well with the heavier buffers like 9mm or MGI.

Posted: 4/18/2007 6:10:37 PM EDT

[#5]

My 9mm buffer works fine w/ my 16" midlength, suppressed and un-suppressed.
It also works fine with my 20" upper. No issues here.

Posted: 4/18/2007 6:15:10 PM EDT

[#6]

I use 9mm buffers in my 14.5" CAR's & right now I have a MGI buffer in my 16" midlength.

Amazing piece of gear. I keep a standard buffer around all the time too, just in case physics wants to challenge my logic in AR construction.

Posted: 4/18/2007 6:47:52 PM EDT

[#7]

9mm buffer in my 16'' middy and its running like a champ.

Posted: 4/18/2007 7:16:46 PM EDT

[#8]

What is the benefit of using a 9mm buffer?

Posted: 4/19/2007 8:14:12 AM EDT

[#9]

Quoted:
What is the benefit of using a 9mm buffer?

It's heavier, thus slowing down the cycling.

That said, I use a regular carbine buffer in my middy. RRA Lower, Sabre upper.

Posted: 4/19/2007 9:40:44 AM EDT

[#10]

How is a 9mm buffer different from a H buffer?

Posted: 4/19/2007 10:45:10 AM EDT

[#11]

Quoted:
How is a 9mm buffer different from a H buffer?

It is around twice as heavy... 7oz IIRC

Posted: 4/19/2007 10:52:26 AM EDT

[#12]

Mine will function OK with a regular CAR buffer, but with ejection to about the 1:30 position (suggesting the bolt velocity is a bit on the high side). In the end, I opted for an H buffer to get the 3 o'clock ejection pattern I am more comfortable with. My middy carbine in this configuration has NEVER malfunctioned.

Posted: 4/19/2007 4:32:57 PM EDT

[#13]

Quoted:

Quoted:
How is a 9mm buffer different from a H buffer?

It is around twice as heavy... 7oz IIRC

An RRA 9mm buffer is around 5.5oz, just slightly heavier than a rifle buffer which is 5.2oz.

Found this table in the Archives:

[ARCHIVED THREAD] - Recoil buffer for a mid-length

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[ARCHIVED THREAD] - Recoil buffer for a mid-length

[ARCHIVED THREAD] - Recoil buffer for a mid-length