Lower Parts Kit, AR15, Gunbuilder's Kit

Our 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.Kit Includes:Bolt catch/roll pinBolt catch plunger/springTrigger/hammer retaining pinsSafety, detent, & springMagazine catch, spring, & release buttonPivot/takedown pins, detents, & springsBuffer retainer/spring**All parts meet or exceed mil-spec**