Remington UMC Rifle .300 AAC Blackout 220 Grain Open Tip Flat Base Centerfire Rifle Ammo 50 Rounds. 300 AAC Blackout 220 grain Open Tip Flat Base Centerfire Rifle Ammunition. This .300 AAC Blackout Ammo made by Remington features an impressive muzzle velocity of 940fps that will take your target practice to the next level. The Remington UMC Rifle Ammo .300 Blackout Ammo features a flash suppressed powder so that you can stop the action without flinching and the clean burn rate ensures you'll eliminate recoil as quickly as possible after a suppressed burnout. Grab a box of Remington UMC Rifle Ammunition .300 AAC Blackout 220gr OTFB (Open Tip Flat Base) to keep your reflexes at their peak while you're out in the field. Specifications for Remington UMC Rifle .300 AAC Blackout 220 Grain Open Tip Flat Base Centerfire Rifle Ammunition: Manufacturer: Remington Caliber: .300 AAC Blackout Bullet Type: Open Tip Flat Base (OTFB) Bullet Weight: 220 grain Cartridge Case Material: Brass Muzzle Velocity: 940 ft/s Muzzle Energy: 432 ft-lbs Application: Target Package Type: Box Primer Style: Centerfire G1 Ballistic Coefficient: 0.68 Lead Free: No Package Contents: Remington UMC Rifle .300 AAC Blackout 220 Grain Open Tip Flat Base Centerfire Rifle Ammunition What is Remington UMC Rifle .300 AAC Blackout 220 Grain Open Tip Flat Base Centerfire Rifle Ammunition good for? The manufacturer thinks that it is good for target.Remington 24026: UMC Rifle .300 AAC Blackout 220 Grain Open Tip Flat Base Centerfire Rifle Ammo 50 Rounds