P-Tac AR-15 Blackhawk Lower Build Kit

P-Tac Blackhawk! Lower build kit. Kit includes:  Hammer, trigger, hammer and trigger springs, hammer and trigger pins, disconnect, disconnect spring, safety, safety spring, safety detent, bolt catch, bolt catch detent, bolt catch spring, bolt catch roll pin, magazine catch, magazine catch spring, magazine release button, trigger guard, trigger guard roll pin, pivot and take down pins, detents and springs, Blackhawk! Grip, grip screw, 6061 buffer tube, car buffer, castle nut, end plate, buffer, buffer spring, and mil-spec diameter Blackhawk! stock.