This is a Hogue Stock known as the OverMolded, model 15540.
Strategic upgrades to your AR-15/M-16" AK-47/74 and SIG 556 style rifles featuring Hgoue's renowned grip textures and ergonomics coupled with versatility in design. Hogue offers grips" buttstocks" forends" extension tubes" rail covers and trigger guards to provide a diverse range of quality rifle components to enhance your shooting experience.
Features:
SPECS
• Precision fit for military specification buffer tubes (diameter = 1.15 / length = 7.25)
• Material: OverMolded® rubber / reinforced polymer
• Color: Slate Grey
FEATURES
• Perfect compatibility with Hogue OverMolded grips and forends
• Light-weight skeletonized reinforced polymer construction
• Anti-rattle and beard-safe design
• Collapses to user's preferred shoulder position
