If you need the ultimate in rimfire semi-automatic rifles, you need the FX22 from Faxon Firearms. This FX22 model includes a Magpul Hunter X-22 stock along with a 16" fluted bull barrel that offers precision accuracy. The barrel is finished with Black Nitride for added protection and a sleek look, and the barrel includes a sporter type chamber and a 1:16 twist rate to make this an ideal rifle for hunting. A 1/2x28 threaded muzzle allows for easy addition of your choice of muzzle brake or suppressor.