CMMG 55CA6C5 AR15 Lower Parts Kit

This Gun builders kit includes most of the necessary parts to build up your lower group except the commonly upgraded parts. Does not include Trigger Guard, Fire Control Group, or Pistol Grip.

Finish your next AR15 lower receiver with the CMMG ZEROED Mk4/AR15 lower parts kit. Every piece is made here in the USA and comes in convenient color-coded packets to make assembly a breeze. All...

AR-15 Survival parts kit. Mil-spec 5.56mm | .223 | 300 Blackout

Parts Kit, AR15, Magazine Catch

Parts kit, AR15, Bolt Catch