Guntec USA AR .308 Micro 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 Micro 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 Micro Slip Over Barrel Shroud with Multi Port Muzzle Brake Threads begin approx 1.25in down the shroud Dual Purpose Unit Functions As A Barrel Shroud And A Muzzle Compensator Slips Over Barrel And Threads Down From The Inside Multi Porting Gatling Gun Style Muzzle Comp Reduces Felt Recoil Up To 70 Percent Package Contents: Guntec USA AR Micro Slip Over Barrel Shroud with Multi Port Muzzle Brake What firearm models does the manufacturer say Guntec USA AR Micro Slip Over Barrel Shroud with Multi Port Muzzle Brake is compatible with? The manufacturer says that Guntec USA AR Micro Slip Over Barrel Shroud with Multi Port Muzzle Brake is compatible with AR308Guntec USA 1326-MB-P-S-308-R: AR .308 Micro Slip Over Barrel Shroud with Multi Port Muzzle Brake Unfinished/Raw