AR-15 Accessories & Parts

AR-15 Parts and Accessories Built in Warminster, PA

360 Precision AR-15 accessories and parts are designed, machined, and assembled in Warminster, PA for shooters who want hard-use reliability, precise fitment, and premium materials from a U.S. manufacturer. Explore our lineup of AR-15 complete uppers, upper receivers, lower receivers, billet receiver sets, AR-15 and M5 builder sets, and handguards—built to work with mil-spec AR-15 / M4 components and support everything from compact 12.5-inch setups to full-length configurations. If you’re searching for a 12.5 inch AR-15 complete upper, a 7075 billet upper and lower receiver set, a 15 inch M-LOK handguard with barrel nut, or American-made AR-15 parts and accessories, you’re in the right place. Browse the categories below to compare options, finishes, and compatibility, or contact 360 Precision for product questions and availability.

Showing 25–30 of 30 results

Showing 25–30 of 30 results