Black Rifle Arms C.A.P.S. Piston Conversion in 6.8 SPCII

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Kiran04
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Joined: 14 Aug 2015, 05:33

Black Rifle Arms C.A.P.S. Piston Conversion in 6.8 SPCII

Post by Kiran04 » 29 Aug 2016, 17:24

Here's my new Black Rifle Arms upper using their C.A.P.S. piston system. I had this one build in 6.8 SPC. BRA uses a short stroke piston system with an adjustable gas block that has 4 settings: normal, suppressed, adverse, and over-gassed.

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