Aim Sports AR5CUB5 16in 5.56 AR15 Build Kit Aluminum Receiver

The Aim Sports AR5CUB5 Complete Build Kit delivers a reliable 5.56x45mm NATO AR-15 setup with a 16" aluminum receiver finished in black hard coat anodized for superior wear resistance and a sleek, low-profile profile that tolerates rigorous field use, range sessions, and builds from the ground up. This kit combines precision-ground parts and a robust 4150 Chrome Moly Vanadium steel barrel to deliver consistent accuracy and dependable performance across diverse shooting applications. The 16" barrel length balances maneuverability with practical velocity, making it an ideal foundation for a versatile rifle platform suitable for sport shooting, training, and dynamic field activities. With a focus on quality construction and compatibility, the Aim Sports build kit supports clean, repeatable chambering and reliable cycling essential for semi-auto operation, while the anodized receiver finish helps resist corrosion and maintain a crisp appearance under tough conditions. Whether upgrading an existing AR-15 or assembling a fresh build, this kit provides thoughtful material choices, durable finish, and practical dimensions designed to meet the demands of experienced shooters seeking a capable, ready-to-install configuration.