Underwood Ammo Handgun Ammunition Features This Underwood Ammo load in 10mm pairs a 165 grain full metal jacketed bullet with a case built from nickel plated brass for smooth feeding and reliable extraction. At 1400 feet per second the load generates 718 ft lbs of muzzle energy giving shooters a supersonic round with plenty of authority for range work. The bullet s sectional density of roughly 0.147 reflects a projectile shape that holds its energy well as it travels downrange. Underwood Ammo builds this load to function reliably across a wide range of 10mm handguns. Because this ammunition is rated safe for suppressed use shooters running a suppressor on their 10mm platform can rely on this load without concern for excess pressure or baffle strikes. Each box holds 50 rounds of consistent quality-controlled ammunition suited to both range training and practical defensive practice. The full metal jacket bullet design keeps cost reasonable while still delivering dependable terminal performance. This Underwood Ammo 10mm load is for sale at GrabAGun for shooters who want a dependable high-volume option for their 10mm pistol. Underwood Ammo Handgun Ammunition Specifications Manufacturer: Underwood Ammo Model: Handgun Ammunition Caliber: 10mm Bullet Type: Full Metal Jacket Bullet Weight: 165 Grain Muzzle Velocity: 1400 fps Muzzle Energy: 718 ft lbs Rounds Per Box: 50 Suppressor Safe: Yes Available At: GrabAGun