Our Magpul Flat Dark Earth or FDE AR-15 Lower Receiver Parts Kits (LPK's) include everything you'll need to put together a well-functioning and sleek AR Build. The solid steel Trigger and Hammer are made in the U.S.A. All our FDE parts in these kits are custom cerakoted.The standard LPK includes our replacement Polymer A2-style pistol grip and polymer trigger guard.Complete Kit Includes:Standard AR-15 Pistol Grip (Black)Pistol Grip ScrewPistol Grip Screw Lock WasherFDE Trigger (U.S. made)Hammer (U.S. made)FDE Polymer Trigger GuardSemi DisconnectorDisconnector SpringFDE Semi Safety Selector SwitchSafety DetentSafety SpringFDE Bolt CatchBolt Catch Buffer/PlungerBolt Catch SpringBolt Catch Roll PinFDE Magazine CatchFDE Magazine Catch ButtonMagazine Catch SpringFDE Front Pivot PinFDE Takedown PinPivot Pin DetentPivot Pin Detent SpringTakedown Pin DetentTakedown Pin Detent SpringHammer SpringTrigger SpringHammer PinTrigger PinBuffer Retainer PinBuffer Retainer Spring