The Tiger Rock Inc. LPK-18 Lower Parts Kit is engineered for assembling superior AR-15 lower receivers, featuring essential high-performance components. This kit emphasizes durability and functionality, including a robust steel trigger and hammer, and highlights an ergonomic polymer grip with built-in storage. The reversible extended trigger guard enhances usability, all finished in a sleek matte black for a polished appearance. Complete assembly components for AR-15 lower receivers Ergonomic polymer grip with storage compartment Custom reversible extended trigger guard Robust steel trigger and hammer made in the USA Sleek matte black finish for elegance Transform your firearm assembly with this expertly crafted lower parts kit.