A long time ago I picked up a 10" barrel 7mmTCU with a factory Muzzle Tamer (T/C version of a muzzle brake). The barrel is a sweet shooter but I quit shooting it due to the Muzzle Tamer after I shot it one time without ear protection (I did get the deer though). Is that Muzzle Tamer threaded on or permanently affixed? If it is threaded on, it would be wonderful to put a suppressor on it someday.