The Guntec USA GUNTEC COMPLETE LOWER PARTS is a reliable, American-made AR-15 complete lower parts kit that provides a comprehensive solution for rifle builds and upgrades, designed to install smoothly into AR-15 receivers with consistent fit and function. This Black, Varies-material kit is crafted in the USA and includes essential components to support a versatile build, with dimensions of 1.60 X 4.05 X 6.85, ensuring practical integration into standard AR-15 configurations. Ideal for gunsmithing, custom builds, and performance upgrades, it delivers dependable operation across a range of applications, from home defense to field shoots, without compromising reliability or durability. The kits AR-15 accessory compatibility and USA-made quality emphasize value, durability, and consistent performance in demanding conditions, while its complete lower parts design simplifies installation and maintenance for experienced shooters and enthusiasts alike. Whether upgrading an existing rifle or assembling a new platform, this AR-15 complete lower parts kit from Guntec USA offers a practical, ready-to-install solution that supports accurate, repeatable shooting and long-term reliability in the field or at the range.