This Benelli Charging Handle is specifically designed” tested and manufactured for the Benelli M1″ M2″ and M3 12ga shotguns. The Benelli Tactical Charging Handle is much larger than the factory Benelli M1 charging handle providing a more positive method of charging” especially in stress fire situations. Heavy knurling reduces the chance of your fingers or hand slipping off the charging handle during stress or when wearing gloves.