Aero Precision Lower Parts Kit AR-15 Mil-Spec Hardcoat Anodized

The Aero Precision APRH100029 Standard AR-15 Black Hardcoat Anodized lower parts kit offers a complete, mil-spec solution for building a custom AR-15 from the ground up, delivering high-quality components that ensure proper interface and reliable function through every stage of assembly. This kit features mil-spec dimensions and a hardcoat anodized finish for durable wear resistance and consistent performance under demanding use, making it an ideal foundation for anyone looking to customize their rifle with precision-fit parts. It includes essential takedown and pivot hardware, the bolt catch assembly, a robust safety selector and its springs and detent, a 4-40 set screw for detent hole threading, as well as the buffer retainer with its spring, and trigger guard with roll pin, all crafted to Aero Precision's exacting standards. The kit also provides an A2 pistol grip, grip screw and lock washer, and the necessary trigger, hammer, disconnector and springs to support a smooth, two-stage trigger pull and reliable cycling. Designed for AR-15 builds in mil-spec calibers, this lower parts kit ensures correct component interface, durability, and straightforward installation for a professional-grade rifle project.