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The AAC Mk13-SD Muzzle Brake for 7.62mm with 90T rating and threaded 5/8-24. Machined from a high strength aerospace steel alloy and finished with the SCARmor coating for durability and corrosion resistance. Not compatible with silencers outside the MK13-SD/300-SD system. Rocksett and shim kit included.
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$92.84
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Sign In to Set AlertThis is a bundled product that includes multiple components. The exact contents may vary - check the product description for more details.
• Complete assembly ready to use
• Multiple components included
• Value package pricing
Guide
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