Description

Upgrade your AR-15/M16 with the UTG Pro RBU6BM Mil-Spec Stock Assembly. This black synthetic buttstock kit features a 6-position adjustable stock for a customized fit. Crafted from high-strength polymer for durability, it includes a mil-spec diameter extension tube made of aircraft-grade aluminum. The FDE Cerakote coating enhances corrosion and wear resistance. Complete with an action spring, buffer assembly, tear-drop ring, and castle nut, this USA-made stock ensures reliable performance. Ideal for tactical and sporting use, it’s a smart addition to your rifle.