AAC Muzzle Brake 90T Taper 5.56mm - 1/2-28 SR Series Only
AAC Muzzle Brake 90T Taper 5.56mm - 1/2-28 SR Series Only, The NEW AAC 90T Ratchet Taper Muzzle Brake mounts are for the SR-7 and SR-5 suppressor line. All AAC Blackout muzzle brakes are machined from high strength aerospace steel alloy and coated in a hard, durable, corrosion resistant SCARmor finish.