Get this cost - effective muzzle brake for your .308 or smaller diameter rifle. It can effectively tame the recoil of large - caliber ARs. This muzzle brake fits most common AR10 style barrels and AR15 barrels chambered in .300AAC. It's machined from 4140 bar stock, coated with black nitride, and threaded 5/8 - 24. It's for .308 or smaller diameter firearms only and is 100% USA made.

Using this muzzle brake is easy. Just attach it to your .308 or smaller diameter rifle barrel that has a 5/8 - 24 thread. Make sure it's tightened properly. Remember, this muzzle brake is only for .308 or smaller diameter firearms, so don't use it on larger ones. For maintenance, after each use, you can use a clean cloth to wipe it. If there is some dirt, you can use a mild cleaning agent. Keep it dry to prevent rust. It's made in the USA with high - quality 4140 bar stock and a black nitride coating, so it should last a long time if you take good care of it.