Brownells Rifle Receiver Extension and Buffer Kit, Black

The Brownells AR-15 rifle length buffer tube kit is a premium upgrade for your AR-15 or M16 platform, meticulously crafted to meet mil-spec standards. Constructed from robust 7075 aluminum, this buffer tube kit ensures exceptional durability and reliability under demanding conditions. The matte black hardcoat anodized finish not only enhances its resistance to wear and corrosion but also provides a sleek, tactical appearance. This comprehensive kit includes a precision engineered buffer and spring, specifically designed to seamlessly integrate with standard AR-15 and M16 lower receivers and rifle length buttstocks. Whether you’re building a new rifle or upgrading an existing one, the Brownells rifle length buffer tube kit delivers consistent performance and smooth operation. Engineered for enthusiasts and professionals alike, this kit embodies the quality and precision that Brownells is renowned for, ensuring your firearm operates at its peak potential. Equip your AR with mil-spec hardware that stands up to the rigors of the field and experience the difference in performance and reliability.The buffer tube is precisely machined from 7075-T6 aluminumMatte black hard-coat anodizedThe buffer is manufactured from 7075-T6 aluminumThe recoil spring is composed of 17-7PH stainless steel, specifically T631 cold drawn, in accordance with ASTM A313 standards