Buy AR lower parts kits online with nationwide shipping, or shop in-store at our gun shop in El Dorado Springs, Missouri. Bear Arms in El Dorado, Missouri carries comprehensive AR lower parts kits for builders and armorers. Our kits include trigger assemblies, bolt catch releases, takedown pins, dust covers, trigger guards, and springs designed for AR-15 and AR-10 platforms. These kits simplify assembly and ensure reliable function when combined with AR15 barrels, AR gas systems, and durable AR grips. If you are completing a custom build, pair your lower kit with AR upper parts, AR magazines, and optics like red dots. Bear Arms provides quality components and expert advice in El Dorado, Missouri to get your rifle ready for the range or field.
