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Posted: 7/12/2008 6:51:08 PM EDT
I've noticed some stuff about buffers on SBRs I've going to put a 7 inch upper on my AR-15. Any advice on which buffer to use?
Link Posted: 7/12/2008 6:55:09 PM EDT
[Last Edit: 7/12/2008 6:55:33 PM EDT by GunDisaster]
Heavy buffers are good for short barrels. I would use an H buffer or 9mm buffer. I'm more fond of the 9mm buffer though.
Link Posted: 7/13/2008 8:35:44 AM EDT
I use an MGI Rate Reducing Buffer in my M16 with 7" barrel and it runs 100%. I also have Defender D-Ring on all my SBR uppers..
Link Posted: 7/13/2008 8:51:34 PM EDT
Thanks for the info guys.
Link Posted: 7/14/2008 1:49:10 PM EDT
I run a standard carbine buffer with an O-ring on the extractor spring. 7.5" barrel with a regular gas tube. Eats anything that fits in the mag.
Link Posted: 7/14/2008 6:47:51 PM EDT

Originally Posted By Sixstring:
I've noticed some stuff about buffers on SBRs I've going to put a 7 inch upper on my AR-15. Any advice on which buffer to use?


1st question, which stock tube length you planning to use ?

I have an A2 stock on mine, and I used a 7oz rifle buffer (dump the guts, and install machined brass rod into buffer body) that I run with my 7.5", 11.5" uppers, along with my 11.5" 9mm upper.


If you use CAR tube, the 5.5oz "9mm" buffer might be a good start..
Link Posted: 7/15/2008 6:01:01 PM EDT
I use an Enidine Hydraulic Buffer on my 7.5" Diplomat SBR and it has less recoil than any of my 16" ARs.

MadDog
Link Posted: 7/19/2008 8:48:07 PM EDT
Use a good H2 Buffer I have not had problems with them on the short barrels.


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