Get ready to build your ideal firearm with the TacFire AR Build Kit 45 ACP Black Nitride tailored for the AR platform. This comprehensive kit features a 16" barrel with a durable nitride finish a birdcage flash hider with a crush washer and a 15" slim MLok free float handguard for sleek customization. The 45 ACP-bolt carrier group works seamlessly with the stripped billet upper receiver crafted with M4 feed ramps for improved reliability. It includes AR-15-compatible lower parts a mil-spec 5.5oz buffer with a spring and an A2-style black pistol grip for added comfort. Built with high-quality aluminum materials this Sports South exclusive ensures durability and precision for your next AR build. Perfect for DIY enthusiasts and those pursuing ultimate firearm performance.