Centerfire Handgun Features ARMSCOR USA ammunition line is made in the USA. The Company offers a wide selection of competitively priced ammunition and components with sales spread throughout the world. ARMSCOR complies with the SAAMI CIP and other military or customer desired standards or requirements. ARMSCOR cartridges and components are widely used by the police military gun hobbyist combat shooters and other shooting enthusiast due to its high quality precise and dependable performance. Centerfire Handgun Specifications Caliber: 357 Mag Model: Pistol Bullet Weight: 158 gr Rounds Per Box: 50 Casing Material: Brass Bullet Type: Full Metal Jacket (FMJ)