UTG Pro RBU6BM 6-Position Mil-Spec Stock Assembly
Heavy-duty AR-15 stock assembly with impact-resistant polymer, aircraft-grade aluminum tube, and complete buffer system. Made in USA with mil-spec tolerances.
Fits: AR-15
UTG Pro RBU6BM Mil-Spec Stock Assembly
The UTG Pro RBU6BM represents serious engineering for the AR-15 platform. This is a complete stock assembly built to mil-spec standards with no compromises on quality or durability.
Construction & Materials
Stock Body: The polymer stock is manufactured from high-strength, impact-resistant material engineered to withstand the rigors of heavy use. UTG Pro maintains tight tolerance control throughout the assembly process.
Extension Tube: Aircraft-grade aluminum construction with rolled threads ensures reliable operation and longevity. The mil-spec diameter tube interfaces perfectly with standard AR-15 receivers.
Finish: Durable Flat Dark Earth Cerakote coating provides superior corrosion and wear resistance, protecting your investment in all conditions.
Complete System
This is not a bare stock—it's a fully assembled system that includes:
- Action spring for reliable cycling
- Buffer assembly for proper bolt carrier group function
- Tear-drop ring for secure attachment
- Castle nut for proper installation
Made in the USA
UTG Pro stands behind American manufacturing. Every component is built to exacting standards and ready to install on your AR-15 or M16 platform.
Whether you're building a rifle from scratch or upgrading an existing system, this stock assembly delivers the performance and reliability serious shooters demand.
