Spike's Tactical AR-15 Multi-Caliber Lower Parts Kit

Spike's is one of those brands that despite the cringe or general brand perception is one of the most solid performers out there.  

It includes: rounded hammer (works with all calibers), hammer spring, trigger, trigger spring, disconnector, disconnector spring, safety selector, detent, selector spring, bolt catch, bolt spring, roll pin, plunger, magazine catch, catch spring, catch button, front pivot pin, rear takedown pin, aluminum trigger guard with spring loaded detent and roll pin, buffer retainer spring and plunger, A2 Pistol grip, 1/4x28" hex screw, star lock washer, and stainless steel hammer and trigger pin with black oxide finish.

Made in the USA.