Strike Industries Si-Cookie Cutter Comp For .308 / 300 Black Out 5/8x24 Black One Size. These Muzzle Devices by Strike Industries compensate for muzzle rise and greatly reduces recoil on short barrel rifles and AR pistols. Designed as a single chamber muzzle brake the SI Cookie Cutter Comp has a large surface area for redirecting gases making this an extremely functional compensator and as an added bonus works great as a glass breaker The Strike Industries CC Compensator is truly a must-have compensator for anyone wanting a more enjoyable shooting experience with SBR's and AR Pistols Specifications for Strike Industries Cookie Cutter Compensator: Manufacturer: Strike Industries Color: Black Condition: New Finish: Manganese Phosphate Matte Inner Diameter: 2.14 in Length: 1.57 in Fabric/Material: Steel Features of Strike Industries Cookie Cutter Compensator Large Single Gas Port expels gas on both right and left sides. Heavyduty parkerized finished steel construction Unique functional design. Package Contents: Strike Industries Cookie Cutter Compensator 1 x .223 Cookie Cutter Comp. Strike Industries SI-CC-COMP-308: Si-Cookie Cutter Comp For .308 / 300 Black Out Black One Size