Underwood Ammo Handgun Ammunition Features The Underwood Ammo 9mm load is built around a 115 grain jacketed hollow point bullet engineered to expand reliably on impact for effective self-defense stopping power. At 1300 feet per second and 432 ft lbs of muzzle energy this load delivers consistent velocity and energy transfer shot after shot. The bullet carries a sectional density of 0.130 and a ballistic coefficient of 0.129 figures that reflect a projectile shaped for predictable flight and controlled expansion. Underwood loads each round to a supersonic standard keeping velocity well above the sound barrier for dependable terminal performance. Each cartridge is built on a nickel plated brass case which resists corrosion and feeds smoothly through semi-automatic 9mm pistols. This load is rated safe for use with a suppressor making it a practical choice for shooters running a can on their home defense or duty pistol. Underwood Ammo packages this load 20 rounds to a box giving shooters a manageable quantity for range practice or carry rotation. Built for shooters who demand consistent performance this Underwood 9mm load is well suited to both personal protection and range training. Underwood Ammo Handgun Ammunition Specifications Manufacturer: Underwood Ammo Caliber: 9mm Bullet Type: Jacketed Hollow Point Bullet Weight: 115 Grains Muzzle Velocity: 1300 fps Muzzle Energy: 432 ft lbs Case Material: Nickel Plated Brass Rounds Per Box: 20 Available At: GrabAGun