Guntec USA AR .308 Gen 2 Steel Multi Port Compensator. 308 Cal Gen 2 Multi Port Compensator reduces muzzle climb and recoil shock. This muzzle brake by Guntec USA offers multiple porting options - three side porting slots and two top porting holes. The Guntec USA AR .308 Multi-Port Compensator features steel construction and is rated for .308 caliber and 300 AAC Blackout. The Guntec USA AR .308 Multi-Port Compensator is a non-braking compensator that mounts above the muzzle break. Bleeding through the baffles of a compensator reduces recoil shock as well. Get the Guntec USA AR .308 Cal Gen 2 Multi-Port Compensator for your .308 caliber or 300 AAC Blackout rifle today Specifications for Guntec USA AR .308 Cal Gen 2 Multi Port Compensator: Manufacturer: Guntec USA Color: Black Projectile Caliber: .308 Caliber Fabric/Material: Steel Gun Model: AR-10 Condition: New Package Contents: Guntec USA AR .308 Cal Gen 2 Multi Port Compensator What firearm models does the manufacturer say Guntec USA AR .308 Cal Gen 2 Multi Port Compensator is compatible with? The manufacturer suggests that Guntec USA AR .308 Cal Gen 2 Multi Port Compensator is compatible with AR-10GUNTEC USA TANK9-308-G2: AR .308 Cal Gen 2 Steel Multi Port Compensator