The revolutionary patented ‘GL-Shock’ absorbing Buttstock contains a recoil-reducing mechanism with a built in premium silicon chrome alloy spring creating a State-of-the-Art stock for your M4/M16.
- Unique Patented “Anti-Rattle” Mechanism
- Sleek New Design with No Protruding Parts,Will Not Get Caught on Gear and Webbing
- Unique New Slick and Quick Operated Inversed Positioning Lever
- Integral Ribbed Rubber Butt Pad with a Non Slip Design
- Integrated Quick Detach Sling Swivel Connectors on Both Sides
- Watertight Battery Storage for Two CR123A 3V Lithium Batteries / AA 1.5v
- Fits Perfectly on Both Tubes – MIL-SPEC and Commercial Aftermarket!
- Made from Mill-Spec Reinforced Polymer Composite