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5.56 mm (.223 Caliber)   ProComp Muzzle Brakes

  • PROCOMP-556-1/2-28 Muzzle Brake
    PROCOMP 556  Muzzle Brake for M4 / M16 Rifles and Variants
    Fits:
    M4, M16 and variants with 1/2-28 muzzle threads
    $59.00