This barrel is a factory original replacement part from Rossi. The Wizard's revolutionary stock design gives the shooters many caliber options including shotguns, muzzleloaders, 22 rimfire and 22 Rimfire Magnum. Simply choose the barrels you want and you are ready to hit the range, field or woods. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and reliable operation. No gunsmithing required.