17-4 PH H900
Black Nitride Finish (67 HRC Surface Hardness)
Atlas/ Atlas XL / Plan B Compatible
Shims Not Included
Note: your barrel may require a shim if the manufacturer did not put a thread relief on it
17-4 PH H900
Black Nitride Finish (67 HRC Surface Hardness)
Atlas/ Atlas XL / Plan B Compatible
Shims Not Included
Note: your barrel may require a shim if the manufacturer did not put a thread relief on it