The Tiger Rock Inc. ST003M AR-15 Collapsible Standard Version Stock Body combines durability and functionality for optimal shooting performance. Crafted from robust fiberglass-reinforced injection-molded nylon, this six-position MIL-SPEC buttstock is built to withstand the toughest conditions while maintaining comfort and adjustability. M4 MIL-SPEC 6 position buttstock Molded from reinforced plastic composite Fits standard MIL-SPEC 6-Position buffer tubes Metal sling loop/attachment installed Matte black finish Elevate your firearm's performance with the ST003M stock, blending style and practicality seamlessly.