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RSR Part #: AACO100183 Manufacturer Part #: 64132

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Advanced Armament Corp, Blackout, Muzzle Brake, 556NATO, 1/2X28, 51 Tooth, Fits M4, Black Finish


Warning: Discharging firearms in poorly ventilated areas, cleaning firearms or handling ammunition may result in exposure to lead and other substances known to the State of California to cause birth defects, reproductive harm and other serious physical injury. Have adequate ventilation at all times. Wash hands thoroughly after exposures.