Beretta Threaded Barrel for Pistol model M9_22 and M9A1_22Beretta Threaded Barrel for accommodate suppressor, for Pistol model M9_22 and M9A1_22 caliber .22lrThese are genuine fall-in barrels with finished chambers and don't typically involve any gunsmithing. In uncommon situations, the fitment may very well be necessary. In that scenario, be sure