The revolutionary patented gl-shock absorbing buttstock contains an "anti-rattle" recoil-reducing mechanism with a built in premium silicon chrome alloy spring creating a state-of-the-art stock for your m4/m16.Made from mill-spec reinforced polymer composite, the stock is compatible with both mil-spec and commercial tubes and has watertight battery storage for two cr123a 3v lithium batteries or aa 1.5v.It features an integral ribbed rubber butt pad with a non-slip design and quick detach sling swivel connectors on both sides.This model has a black finish and has an adjustable cheek-rest with a built-in dual picatinny rails.

Rails: Picatinny
Type: Buttstock
Firearm Type: Rifle
Firearm Model: AR15/M4
Material: Polymer
Finish: Black
Swivel Studs: Yes