WMD Guns Hammer Semi NiB-X Non-polished Nickel. Reduces friction between the carrier/hammer interfaces and also works in conjunction with the NiB-X trigger and disconnect. Extends life and integrity of sear surface interface. Specifications for WMD Guns NiB-X Semi Auto Hammer: Manufacturer: WMD Guns Color: Nickel Finish: NiB-X Non-polished Quantity: 1 Package Contents: WMD Guns NiB-X Semi Auto Hammer WMD Guns 1-NIBXHSA: Hammer Semi NiB-X Non-polished Nickel