These are threaded 1/2-28 and bored for the .223/5.56 projectile. Custom calibers are available, just send an e-mail. *A new Crush Washer is included with each brake for proper indexing* Our Muzzle Brakes are made to order!
AR-15 Muzzle Devices, Brakes, Comps
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Muzzle Devices - Witt Machine
Gun Parts, Muzzle Devices
Witt Machine Suppressors Low Price High Quality - Witt Machine
Muzzle brake
Muzzle brake
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