This is a WMD Guns Lower Parts Kit known as the Mod 3, model NIBXLPKM3.
AR-15 Lower Parts Kit with Nib-X coated Hammer" Trigger and Disconnect" Nitromet coated Bolt Catch" Mag Catch" Mag Catch Button" Safety Selector" Front Pivot Pin and Rear Takedown Pin.
Features:
NiB-X/Nitromex Coated
Easy Cleaning and Maintenance
All Necessary Pins, Detents and Springs
