Tactical Folding Grip w/ Storage Cavity is a compact forward grip that folds to any of seven desired angles, including vertical and horizontal. This weapon accessory features push-button folding mechanism that allows no play when locked in position. Tactical Folding Grip has short, compact size that keeps hand close to weapon. Also this weapon accessory has internal O-ring sealed waterproof battery or accessory storage compartment. The Folding Grip fits any weapon with a standard picatinny lower rail. In addition, 7 Position Folding Grip has durable, hard-wearing, lightweight reinforced polymer construction.