PSA Upper Build Kit and Classic Lower Parts Kit Combo - 37448

PSA Upper Build Kit and Classic Lower Parts Kit Combo includes two AR-15 components. The Upper Build Kit provides the upper receiver hardware such as barrel nut, delta ring, weld spring, snap ring, dust cover, hinge pin, dust cover spring, C-clip, forward assist, forward assist spring, and forward assist roll pin. The Classic Lower Parts Kit contains the essential lowers components including hammer, trigger, A2 grip, buffer retainer pin and spring, trigger guard, safety selector, bolt catch spring, detent spring, bolt catch plunger, bolt catch disconnecter, disconnecter spring, magazine catch spring, bolt catch roll pin, magazine release button, magazine catch, pivot pin, selector spring, safety selector detent, rear takedown pin, and takedown pin detent. New Gen 2 Kit features black oxide coated hammer and trigger springs. Parts are 100% made in USA. Assembly takes place in Columbia, SC.