This Mil-Spec 5.56 AR-15 lower receiver parts kit is made of all high quality, American made, Mil-Spec parts. This kit is a great choice for building or rebuilding an AR-15 rifle with some premium upgrades from the basic kit.
Upgrades;
-Geissele SSA (curved) or SD-E (flat) 2-Stage Trigger
-Noveske marked Takedown/Pivot pins
-Magpul Enhanced Trigger Guard
-Magpul MOE Pistol Grip
-STS Ambi Safety Selector
-Noveske marked QD End Plate
Contains: Takedown Pin Detent (2), Takedown Pin Detent Spring (2), Bolt Catch, Bolt Catch Plunger, Bolt Catch Spring Pin, Bolt Catch Spring, Buffer Retainer, Buffer Retainer Spring, Magazine Catch, Magazine Catch Spring, Magazine Catch Button, Trigger Guard Pivot Spring Pin, Buffer Retainer, Buffer Retainer Spring.