The MK-4 Frag Grenade, manufactured by Behring Applied Technology, is an anti-personnel fragmentation grenade with a 20-meter blast radius. This grenade is the successor to Behring's original hand grenade from 2894. The MK-4 is specifically designed to fill the target area with deadly shrapnel and a strong concussive force, making it a highly efficient weapon. Its anti-personnel features make it a crucial asset for military and law enforcement personnel during combat operations. The MK-4 Frag Grenade showcases Behring's dedication to creating top-notch, impactful weapons for field use.