The Timber Creek Outdoors Muzzle Brake Combo (MBC) allows the shooter to run our newest muzzle break and then quickly install a blast can to redirect muzzle blast and noise forward without having to remove the muzzle break first. The blast cans OD is small enough to fit inside our handguards and is a great option for those short pistol builds. .223/5.56 «-28 Thread Pitch Available in 9-Colors