FAB Defense GL-Shock Buttstock, M4/M16, Black Polymer

Description

The FAB Defense GL-Shock is a patented absorbing buttstock designed for M4/M16-style rifles. It incorporates an anti-rattle, recoil-reducing mechanism driven by a premium silicon chrome alloy spring to improve stability and handling. Constructed from mill-spec reinforced polymer, the stock fits both Mil-Spec and commercial receiver extension tubes and includes watertight battery storage. The design emphasizes functional features such as a ribbed rubber butt pad and quick-detach sling swivel connectors on both sides.

Key Specifications

• The product type is a Buttstock designed for rifle platforms.
• Compatible with M4/M16 style firearms.
• Constructed from Mill-Spec reinforced polymer composite for durability.
• Finished in Black to match common service-style builds.
• Features an Anti-Rattle recoil-reducing mechanism with an internal spring.
• Uses a premium silicon chrome alloy spring as part of the absorbing system.
• Includes watertight battery storage for two CR123A 3V or AA 1.5V cells.
• Equipped with an integral ribbed rubber butt pad with a non-slip surface.
• Provides Quick Detach sling swivel connectors on both sides for sling options.
• Contains Swivel studs per the product attributes for attachment points.

Built to blend practical function with rugged construction, the GL-Shock buttstock offers tangible features for users seeking improved stability and accessory storage on M4/M16-style rifles. Its anti-rattle mechanism and watertight battery compartment make it a functional upgrade for rig setups that prioritize reliability and modularity.