BCM Lower Buffer

AR/M4 AR Technical Discussion
1

I apologize if this is an inappropriate question, but I’d appreciate some advice. I purchased a BCM lower and it came with the following buffer described as: USGI H Buffer (1 USGI Tungsten, 2 Steel). I’m not sure what this means, and I’m not sure if this is what I need for what I intend to do with my BCM upper. I purchased a 11.5" upper and plan to run it suppressed a lot.

Can somebody advise me please me on if this is the proper buffer?

2

I see a lot of people recommend the H2 and heavier on a pistol/sbr configuration. I suggest you take a look at the ar pistol and pistol caliber ar section as there is all this information available.

3

https://www.m4carbine.net/showthread.php?159593-VLTOR-A5-on-SBR

Some good info here. Talks about carbine buffers as well as A5 system.

Harold

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