HUXWRX ELR Muzzle Brake 338 5/8x24 Titanium Black 1646. 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...