VG6 GAMMA 65 BBSSIncludes pre-drilled hole for pinning to a 14.5" barrel for an overall length of 16"Length 2.21"Diameter 0.86" Weight 2.5 oz.Material 17-4phA(R) Heat Treated Stainless SteelFinish Bead BlastedSurface Hardness 68RCCaliber 6.5 Creedmoor, 6.5 Grendel, and 6.8 Remington SPCThreads 5/8x24Crush Washer (included)Anti-seize grease recommended for installationThe VG6 GAMMA 65 is a high-performance muzzle brake for eliminating recoil. It was designed using state of the art engineering techniques, utilizing CFD (Computational Fluid Dynamics) and CAE (Computer Aided Engineering). This product is 100% CNC machined for optimal performance.The VG6 GAMMA 65 is a muzzle brake and compensator hybrid. It virtually eliminates recoil and minimizes muzzle movement. The unique combination of both braking and compensating features inspire shooter confidence and allows the shooter to make very fast follow up shots. Its unique chamber geometries give it a very soft feel on the shoulder and the gas ports dimensions... More