Hornady Frontier 5.56x45mm NATO 68 grain Boat-Tail Hollow Point Brass Cased Centerfire Rifle Ammo 20 Rounds. The .223 Remington round meets the needs of long-range shooters for terminal performance that will allow you to fling projectiles with surgical accuracy. The .223 Remington round meets the needs of shooters in specialized markets such as Africa and the Middle East who rely on the larger caliber for large game hunting and dangerous game hunting. Applications in these popular calibers range from target shooting and hunting to law enforcement training and self-defense. Buy Hornady ammo to get bullets that are accurate consistent and always dependable. Specifications for Hornady Frontier 5.56x45mm NATO 68 Grain Boat-Tail Hollow Point Centerfire Rifle Ammunition: Manufacturer: Hornady Caliber: 5.56x45mm NATO Number of Rounds: 20 Bullet Type: Boat Tail Hollow Point (BTHP) Bullet Weight: 68 grain Cartridge Case Material: Brass Muzzle Velocity: 2960 ft/s Muzzle Energy: 1323 ft-lbs Application: All Purpose Package Type: Box Primer Style: Centerfire Sectional Density: 0.194 G1 Ballistic Coefficient: 0.355 Features of Hornady Frontier 5.56x45mm NATO 68 Grain Boat-Tail Hollow Point Centerfire Rifle Ammunition: Consistency In Every Cartridge: State-of-the-industry loading techniques and quality control procedures ensure the reliability of every Frontier Cartridge round. Rounds For All Applications: Frontier Cartridge offers ammunition configured for a wide range of shooters and applications everything from plinking target shooting and hunting to law enforcement training and self-defense. Brass Cases: In addition to Hornady target friendly non-steel core bullets in a variety of offerings Frontier Cartridge features brass cartridge cases and military-grade boxer primers and propellant. Package Contents: Hornady Frontier 5.56x45mm NATO 68 Grain Boat-Tail Hollow Point Centerfire Rifle Ammunition What is Hornady Frontier 5.56x45mm NATO 68 Grain Boat-Tail Hollow Point Centerfire Rifle Ammunition good for? The manufacturer suggests that it is good for all purpose.Hornady FR310: Frontier 5.56x45mm NATO 68 grain Boat-Tail Hollow Point Brass Cased Centerfire Rifle Ammo 20 Rounds