Kexuan Sniper Muzzle Brake / Recoil Compensator Black For .308/762 5/8x24. Jam nut included. High quality Steel construction with CNC machined tech Specifications for Kexuan AR-10 / AR-15 Shorty Style Muzzle Brake: Manufacturer: Kexuan Color: Black Projectile Caliber: .308 Caliber Caliber: 7.62x51mm NATO Fabric/Material: Stainless Steel Threads per Inch: 5/8x24 Gun Make: AR Platform Gun Model: DPMS LR-308 AR-10 Package Contents: Kexuan AR-10 / AR-15 Shorty Style Muzzle Brake Jam nut Crush washer What firearm models does the manufacturer say Kexuan AR-10 / AR-15 Shorty Style Muzzle Brake is compatible with? The manufacturer suggests that Kexuan AR-10 / AR-15 Shorty Style Muzzle Brake is compatible with AR-10 DPMS LR-308Kexuan MZ-06S-02-B: Sniper Muzzle Brake / Recoil Compensator Black For .308/762 5/8x24