Remington UMC .223 Ammo Features For varmint hunting target shooting training exercises or any other high-volume shooting situation UMC centerfire rifle ammunition offers great value with absolutely no compromise in quality or performance. Loaded right here in the USA UMC rifle ammunition offers the choice of either metal-case or jacketed hollow point bullets in several popular rifle calibers. Remington UMC .223 Ammo Specifications Brand: Remington Ammunition Category: Centerfire Rifle Rounds Caliber: 223 Rem Model: UMC Bullet Weight: 55 gr Rounds Per Box: 20 Casing Material: Brass Application: Varmint Target Training Boxes Per Case: 10 Bullet Type: Full Metal Jacket (FMJ) Muzzle Energy: 1282 ft lbs Muzzle Velocity: 3240 fps