UTG PRO Mil-Spec Ops Ready S4 Stock Kit FDE for AR-15

The UTG PRO Mil-Spec OPS-R S4 is a stock assembly for AR-15 rifles, offered in Flat Dark Earth. It is designed for mil-spec buffer tube fitment and is intended for rifles used in demanding conditions.

The polymer stock is made from impact-resistant, high-strength material. The extension tube is made from aircraft aluminum with rolled threads and a mil-spec diameter, and it carries a Cerakote finish for corrosion and wear resistance. The kit is built with tight tolerance control.

The package is a complete stock assembly that includes the action spring, buffer assembly, tear-drop ring, and castle nut. The product is listed as made in the USA.

• Platform: AR-15
• Fits: AR-15 mil-spec buffer tube
• Color: Flat Dark Earth
• Finish: Cerakote
• Stock material: Polymer, impact-resistant
• Extension tube material: Aircraft aluminum with rolled threads
• Included: Action spring, buffer assembly, tear-drop ring, castle nut
• Origin: Made in USA