Grizzly Ammo centerfire handgun cartridges are engineered for heavy-hitting performance and reliability. These 10mm Auto rounds feature a substantial 220 gr Full Metal Jacket Flat Point (FMJFP) projectile, achieving a muzzle velocity of 1200 ft/s. The flat point design ensures deep penetration and stability, while the full metal jacket prevents expansion, making it ideal for target practice and specialized sporting applications. Each box contains 20 rounds. Delivering a muzzle energy of 703 ft lbs, this load provides the high-velocity power required for serious shooters. Safety Note Always verify your firearm is specifically chambered for 10mm Auto. High-pressure handgun cartridges carry lethal energy; always maintain a safe muzzle direction and follow all range safety protocols and local laws.