Complete lower parts kit. Kit includes the following parts:
This is for the AR15 platform using 9MM hand gun rounds.
This kit includes the dedicated 9mm hammer which is needed-
Bolt Catch, Bolt Catch Plunger, Bolt Catch Roll Pin, Bolt Catch Spring, Buffer, Retainer, Buffer Retainer Spring, Disconnect, Disconnect Spring, Hammer, Hammer Pin, Hammer Spring, Magazine Catch, Magazine Catch Button, Magazine, Catch Spring, Pistol Grip (A2 style), Pistol Grip Lock Washer, Pistol Grip Screw, Pivot Pin, Pivot Pin Detent, Pivot Pin Detent Spring, Selector, Selector Detent, Selector Detent Spring, Takedown Pin, Takedown Pin Detent, Takedown Pin, Detent Spring, Trigger, Trigger Guard, Trigger Guard Roll Pin, Trigger Pin, Trigger Spring