JMac Customs 4C AUG 13x1LH 4-Port Muzzle Brake with KeyMount Black Nitride Black RRD-4C-13LS-KM. The best of both worlds Our super effective RRD4-4C muzzle brake comp with KeyMount suppressor mount These are designed to install with a shim kit on...
JMac Customs 4C AUG 13x1LH 4-Port Muzzle Brake with KeyMount Black Nitride Black RRD-4C-13LS-KM. The best of both worlds Our super effective RRD4-4C muzzle brake comp with KeyMount suppressor mount These are designed to install with a shim kit on...