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has anyone ever used these muzzle brakes with a SIG556? does anyone know if they'll fit the 556classic?
http://www.surefire.com/MB556K-Muzzle-BrakeAdapter
http://www.surefire.com/MB556AR-Muzzle-BrakeAdapter
i've heard that they help compensate for barrel twist and that they can be pretty loud.
anyone have any experience with them?
thanks for the info.
http://www.surefire.com/MB556K-Muzzle-BrakeAdapter
http://www.surefire.com/MB556AR-Muzzle-BrakeAdapter
i've heard that they help compensate for barrel twist and that they can be pretty loud.
anyone have any experience with them?
thanks for the info.