Centerfire Handgun Features MEET THE NEW BOSS. All the delivered energy of a .45 in a lighter faster and significantly more accurate round. As the caliber of choice of the FBIs Hostage Rescue Teams when your operational effectiveness has no room for compromise Aguila 10mm is the only choice. Centerfire Handgun Specifications Caliber: 10mm Auto Model: Centerfire Handgun Bullet Weight: 180 gr Rounds Per Box: 50 Casing Material: Brass Application: Target Range Practice Bullet Coating: Copper Bullet Type: Full Metal Jacket (FMJ) Muzzle Energy: 390 ft lbs Muzzle Velocity: 1200 fps