Fort Scott Munitions 44 Magnum 200 Grain Pistol Ammo features Tumble Upon Impact technology that provides a match grade bullet for self-defense applications. With its solid copper spun construction and unique design, this bullet tumbles on impact, creating a dynamic wound cavity and ensuring deep penetration. This .44 Rem Mag caliber round delivers 1279 ft-lbs of muzzle energy at 1697 fps, making it suitable for home defense, law enforcement, and survival environments.