WMD Guns Accent Build Kit, Nib-X Coated, Includes Ejection Port Cover Door, Forward Assist, Safety Selector, Castle Nut, Receiver End Plate, Bolt Catch, Mag Lever, Magazine Button, Pivot Pin, Takedown Pin, Trigger Guard, Buffer Retainer, and All Necessary Pins and Springs 1-ACCKIT-NIBX Spice up your favorite AR-15 with WMD's NiB-X coating accent parts kit. Featuring nickel boron coating to provide long life" high reliability and easy cleaning and maintenance. These parts are designed to last!