This is a UTG PRO AR-15 Ops Ready S4 Mil-spec Stock Kit molded from impact resistant high strength matte black polymer. It is complete with Mil-spec extension tube, buffer, buffer spring, receiver end plate, and castle nut. Its unique 4.28″ length with 4 position adjustability provides comfortable length of pull and ease of shouldering firearm when wearing a load bearing vest or plate carrier system. It is built for heavy duty use with the tightest tolerance controls to provide the most secure fit and function.
| UPC | 4717385552678 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RBUS4BM |
| Product Type | Stock |
| Model | UTG PRO |






