Build or service your rifle from the ground up with high-quality AR-15 lower receiver parts designed for precision fit and dependable function. This collection includes takedown pins, bolt catches, magazine releases, safety selectors, trigger guards, detents, and springs—everything you need to complete or maintain your lower. Whether you’re finishing a stripped lower, replacing worn internals, or upgrading for improved ergonomics, these components are built to mil-spec or better. Perfect for builders, armorers, and serious shooters who demand durability and reliability from every part of their rifle.