Second this. I shoot 300Blk in a couple of ARs and

by matt/pa @, Monday, January 16, 2017, 08:41 (2870 days ago) @ John K.

John, did you have to run a different buffer and buffer spring to get it to run suppressed? My SBR 300 works fine unsuppressed, but won't run suppressed other than in single shot mode.

Any suggestions?

Matt


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