A high quality lower build kit with everything you need to assemble your AR-15 lower into a pistol.Features black oxide coated hammer and trigger springs. **Buffers may not have a logo and may also be charcoal in color. Includes: Trigger Trigger Spring Hammer Hammer Spring A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard Safety Selector Bolt Catch Spring Detent Spring Bolt Catch Plunger Pistol Buffer Tube Carbine Buffer Spring PSA Buffer Bolt CatchDisconnecterDisconnecter SpringMagazine Catch SpringBolt Catch Roll PinMagazine Release ButtonMagazine CatchPivot PinSelector SpringSafety Selector DetentRear Take Down PinTakedown Pin DetentPistol Latch Plate with sling loops Everything you need to turn your stripped lower into an AR-15 pistol lower! The Kit includes a PSA standard carbine buffer. **Image is for reference only, the tube may or may not be fluted