416 Stainless steel pins. End retainers are black oxide. Connectors have phosphate finish.
Trigger and hammer pins with lubrication ports and E-Z installation tool. An absolute must-have for all M-16 owners. They will also protect your AR-15. Special anti-creep retainers prevent all wear on your irreplaceable M-16 or AR-15 receiver. Anti-creep retainers removable for lubricant injection. Pin installation tool & 2 allen wrenches included. No modification to gun required.