Strike Industries JCOMP 1/2x28 Black Parkerized One Size. These Muzzle Brakes & Compensators from Strike Industries have a 2-chamber design that decreases recoil for faster follow-up shots. Strike Industries JCOMP-V2 Hybrid Muzzle Brakes are great for small game hunting competition or anywhere you want to keep your target in your sights. The Strike Industries JCOMP V2 Barrel Muzzle Brake will let you come in under budget with amazing performance. Specifications for Strike Industries JCOMP V2 Barrel Muzzle Brake: Manufacturer: Strike Industries Color: Black Finish: Parkerized Inner Diameter: 0.87 in Outer Diameter: 0.87 in Length: 2.55 in Weight: 3.6 oz Included Accessories: Standard Condition: New Features of Strike Industries JCOMP V2 Barrel Muzzle Brake 2 chamber design greatly increases recoil management AK Detent Notch Hybrid muzzle brake/compensator Package Contents: Strike Industries JCOMP V2 Barrel Muzzle Brake x1 JCOMP Gen2 for AR .223/5.56 or .308/7.62 x1 Crush washer Strike Industries SI-JCOMP2-223/5.56: JCOMP V2.223/5.56 Black One Size