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The AAC BlackOut Muzzle Brake is a 30 Cal muzzle brake with a 5/8-24 thread pattern designed for use with AAC MK13-SD suppressors. Machined from aerospace steel alloy and finished with SCARmor; Rocksett and shim kit included.
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They stand with you — no matter how tough the case
No recoupment clause means they don't come back for their money if things get complicated.
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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.
12 min read
Guide
A neutral overview of how flash hiders, compensators, and brakes work, what each is designed to do, and the tradeoffs in recoil, flash, and concussion.
6 min read
Guide
An examination of muzzle device options for suppressed AR-15s, covering thread pitch standards, mount systems, alignment considerations, and the tradeoffs between direct-thread, QD, and taper-mount interfaces.
7 min read