Our Magpul OD/Green AR-15 Lower Receiver Parts Kits (LPK's) include everything you'll need to put together a well-functioning and sleek AR Build. All our parts including springs are 100% USA Manufactured. All our OD parts in these kits are custom cerakoted.The standard LPK includes our replacement Polymer A2-style pistol grip and polymer trigger guard.Complete 100% USA Kit Includes:Standard AR-15 Pistol Grip (Black)Pistol Grip ScrewPistol Grip Screw Lock WasherOD Trigger Hammer OD Polymer Trigger GuardSemi DisconnectorDisconnector SpringOD Semi Safety Selector SwitchSafety DetentSafety SpringOD Bolt CatchBolt Catch Buffer/PlungerBolt Catch SpringBolt Catch Roll PinOD Magazine CatchOD Magazine Catch ButtonMagazine Catch SpringOD Front Pivot PinOD Takedown PinPivot Pin DetentPivot Pin Detent SpringTakedown Pin DetentTakedown Pin Detent SpringHammer SpringTrigger SpringHammer PinTrigger PinBuffer Retainer PinBuffer Retainer Spring