Griffin Armament

Diameter: 1.47 - Overall Length: 9.5 - Length Added: 5.4 - Weight: 21 ounces - Materials: Stainless Steel - Attachment: OTB Mounts - DB Attenuation: 31DB (16 308) (36-40db 18 556) (39db 300blk 12) - Finish: High Temp Griffin Endura-Kote - Full Auto Rated: Yes - Features: Tig Fusion Welded - Flawless Bore - Minimal and Repeatable POI shift - Rock Solid Mounting - OTB mount Compatible - 7.62mm OTB Muzzle Brake Mount Included - High Temp Griffin Endura-Kote - Shim set Included - Multi-Caliber Friendly - Lifetime Warranty