Battle Steel Benelli M4 Oversized Charging Handle Black Oxide. Fits Benelli M1/m4 Shotguns. Made From 4130 Aircraft Steel. Heat Treated Rockwell 34c Hardness With A Black Oxide Finish Specifications for Battle Steel Benelli M4 Oversized Charging Handle: Manufacturer: Battle Steel Fabric/Material: 4130 Aircraft Steel Color: Black Finish: Black Oxide Gun Make: Benelli Gun Model: Benelli M1 Benelli M4 Gun Type: Shotgun Features of Battle Steel Benelli M4 Oversized Charging Handle Oversized ergonomic charging handle 3 times larger then the original Identical in design to original Fits Benelli M1 and M4 shotguns Heat treated Rockwell 34C hardness Package Contents: Battle Steel Benelli M4 Oversized Charging Handle What firearm models does the manufacturer say Battle Steel Benelli M4 Oversized Charging Handle is compatible with? The manufacturer suggests that Battle Steel Benelli M4 Oversized Charging Handle is compatible with Benelli M4 Benelli M1Battle Steel KZ-732898: Benelli M4 Oversized Charging Handle Black Oxide