STEALTH ALLOY 4" Black 1/2"x28 Muzzle Brake Extension Tube AEG

1/2"x28 TPI 556/223/.22/9mm Application. Stealth Alloy 4" CNC Machined Aerospace Grade Aluminum Muzzle Brake. Barrel adapter. 3" Extension tube. Level 3 Hard Coating Anodized. Soft tip set screw. Allen Wrench.