Guntec USA AR .308 Cal Slip Over Barrel Shroud with Multi Port Muzzle Brake Unfinished/Raw. Their goal is to distribute excellent quality at an economical value. Specifications for Guntec USA AR Slip Over Barrel Shroud with Multi Port Muzzle Brake: Manufacturer: Guntec USA Threads per Inch: 5/8x24 Color: Raw Gun Make: AR Platform Gun Model: AR308 Caliber: .308 Winchester Finish: Raw Features of Guntec USA AR Slip Over Barrel Shroud with Multi Port Muzzle Brake Multi Porting Gatling Gun Style Muzzle Comp Reduces Felt Recoil Up To 70 Percent Slips over Barrel And Threads On Dual Purpose Unit Functions As A Barrel Shroud And A Muzzle Compensator Package Contents: Guntec USA AR Slip Over Barrel Shroud with Multi Port Muzzle Brake What firearm models does the manufacturer say Guntec USA AR Slip Over Barrel Shroud with Multi Port Muzzle Brake is compatible with? The manufacturer suggests that Guntec USA AR Slip Over Barrel Shroud with Multi Port Muzzle Brake is compatible with AR308Guntec USA 1326-MB-P-308-R: AR .308 Cal Slip Over Barrel Shroud with Multi Port Muzzle Brake Unfinished/Raw