
Gemtech Suppressed Bolt Carrier Review
Modern Rifleman: Gemtech Suppressed Bolt Carrier Review
2015-10-12For those who are not able to swap their gas block or who own multiple uppers that share a single bolt carrier group, Gemtech has developed an alternative solution, the?Suppressed Bolt Carrier?(SBC). Curious to see how the SBC stacks up, I talked to the g
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