Atomic Ammunition MatchKing .223 Remington 77 Grain Spitzer Boat Tail Brass Cased Rifle Ammo 20 Rounds. 223 Rem Match grade ammunition is made with only the very best components available such as NEW brass and 77 grain hollow point boat tail bullets. These bullets were carefully selected based on their unique weight and aerodynamic qualities which give them a superior ability to achieve sub minute of angle results at both short and long range distances. This ammunition is professionally manufactured to deliver Sub-MOA accuracy at a fraction of the price of our competitors' new ammunition. Get some today Specifications for Atomic Ammunition MatchKing .223 Remington 77 Grain Spitzer Boat Tail Brass Cased Rifle Ammunition: Manufacturer: Atomic Ammunition Caliber: .223 Remington Number of Rounds: 20 Bullet Type: Spitzer Boat Tail (SBT) Bullet Weight: 77 grain Cartridge Case Material: Brass Muzzle Velocity: 2600 ft/s Primer Style: Centerfire Package Contents: Atomic Ammunition Atomic Ammo .223 Rem. 77gr. Match Sierra Tmk 20-pack Atomic Ammunition 00459: MatchKing .223 Remington 77 Grain Brass Cased Rifle Ammo 20 Rounds