The Geissele premium mil-spec buffer tube is a high-quality component tailored for AR-15 enthusiasts seeking reliability and precision. Constructed from high-grade 7075-T6 aluminum, it is engineered for strength and durability, capable of withstanding rigorous use. The type 3 hardcoat Anodize finish enhances its durability while providing a sleek, professional look, available in Black, Geissele's distinctive DDC and ODG finishes to suit your style. Adhering to mil-spec standards, it offers six adjustable stock positions for optimal customization and comfort. Its carbine length and mil-spec diameter ensure seamless integration with AR-15 lowers, guaranteeing compatibility with a wide range of mil-spec diameter AR-15 stocks. Weighing only 3.7 oz, it balances lightweight design with robust performance. Proudly made in the USA, the package includes a high-quality, mil-spec castle nut and end plate, ensuring a secure and reliable installation. Ideal for upgrading your current setup or building a new rifle, this buffer tube enhances your firearm's performance and reliability. 6-position receiver extension Compatible with AR-15 and AR-308 platforms Mil-spec diameter Constructed from high-strength 7075-T6 aluminum Black hardcoat anodized finish Incorporates a mil-spec castle nut and end plate