FHD 5/8x24 25 degree taper Nitride

• -17-4 PH H900
• -Atlas and Atlas XL Compatible
• -Plan B Compatible
• -Atlas XL Adapter No Overrun
• -Black Nitride Finish (67 HRC Surface Hardness)
• -Shims Not Included, if you would like to specifically time this, shims will be required. Note: your barrel may require a shim if the manufacturer did not put a thread relief on it.