This swat black M-LOK® Vertical Grip-Foregrip with storage attaches to any slotted M-LOK® handguard or mount. The M-LOK Vertical Grip features a storage compartment in the verical foregrip with tight-sealing door for batteries and small gun cleaning accessories. The vertical grip is designed to be grasped by the supporting hand for better support and aids in the maneuverability of the firearms and weapon retchion under fire. The grip is made of a high-quality polymer. All steel mounting hardware is included. Approximately 3.8”L X 2.0”W X 1.2”D.