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View Full Version : BCM Uppers w/ Low profile Gas Block


PrivateCitizen
07-26-10, 18:33
I was just looking very hard as a BCM 12.5 w/ VTAC TRX 11"

Obviously the block is low profile … but I'd like to know how it is mounted on models with FF guards? Are they dimpled/screwed or pinned like a FSB?

Asking here for the knowledge base.

Appreciate any info. Thanks in advance.