DPMS LRPK1 AR-15 Lower Receiver Parts Kit 5.56 NATO Black

This AR Lower Receiver kit includes a pistol grip, single trigger, hammer, disconnector, selector, bolt catch spring, detent spring, bolt catch buffer, take down detent, bolt catch, magazine catch spring, bolt catch roll pin, magazine catch button, magazine catch, front pivot pin, hammer spring, trigger spring, pistol grip screw and lock washer, selector spring, detent selector, hammer pin, trigger pin, take down pin, buffer retainer pin and spring, and a disconnector spring.