GRG .338 Lapua Magnum Muzzle Break W 5/8x24 Threads, Fit .338 Magnum Rifles have 5/8x24 threads,also Work W Smaller Caliber Rifles as .308 or .300 Magnum W Same thread Pattern
.338 Lapua Magnum Muzzle Break W 5/8x24 Threads, Fit .338 Magnum Rifles have 5/8x24 threads,also Work W Smaller Caliber Rifles as .308 or .300 Magnum W Same thread Pattern