The FAB Defense FXTAL4B TL-4 Tactical Vertical Foregrip blends ergonomic design with ventilated comfort and a waterproof internal battery compartment to deliver dependable control and rapid-access functionality for modern rifle platforms. This black fiberglass reinforced polymer grip provides a no-slip design, double sided pressure pad housing for flexible control options, and a quick-release attachment mechanism that facilitates fast mounting and dismounting with zero gunsmithing required. An additional locking screw option enhances securely locked positioning under recoil, while the durable, lightweight construction minimizes fatigue during extended sessions. Designed for practical everyday use, the foregrip integrates an internal waterproof battery compartment to protect electrical components from moisture and debris, ensuring consistent performance in challenging conditions. Its thoughtful engineering supports improved weapon handling, sharper recoil management, and a stable platform for precision aiming across a range of shooting disciplines. The FXTAL4B delivers a balanced, low-profile grip that supports natural hand positioning, enabling fluid transitions and stable muzzle control. Engineered by F.A.B. Defense, this tactical vertical foregrip is a versatile addition for shooters seeking reliable grip ergonomics, robust construction, and enhanced operational versatility.