UMC 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 full metal jacket or jacketed hollow point bullets in several popular rifle calibers. You d be hard pressed to find a better value anywhere. UMC Specifications Brand: Remington Ammunition Category: Centerfire Rifle Rounds Caliber: 300 Blackout Model: UMC Bullet Weight: 150 gr Rounds Per Box: 50 Casing Material: Brass Bullet Type: Full Metal Jacket (FMJ) Muzzle Energy: 1209 ft lbs Muzzle Velocity: 1905 fps