HUXWRX ELR Muzzle Brake 338 3/4x20 Titanium Black 2236. This muzzle device is NOT compatible with other HX-QD suppressors. Specifications for HUXWRX ELR Muzzle Brake: Manufacturer: HUXWRX Color: Black Projectile Caliber: .338 Caliber Caliber: .338...