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SilencerCo AC858 Harvester Big Bore Muzzle Brake is a 3-port muzzle brake compatible with the Specwar/Omega ASR mounting system (3/4x24). It is the AC858 variant with Black Steel finish. This item reduces felt recoil and muzzle climb, with convenient one-hand attachment/detachment. Shipping restrictions apply to California, Illinois, Massachusetts, and Washington.
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A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
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