Winchester Competition Match .223 Remington 69 Grain Boat Tail Hollow Point Brass Cased Centerfire Rifle Ammo 20 Rounds. Combining proven Winchester technology with proven bullets the hollow point boat tail design provides the precision match shooters demand shot after shot. Specifications for Winchester Competition Match .223 Remington 69 Grain Boat Tail Hollow Point Brass Cased Centerfire Rifle Ammunition: Manufacturer: Winchester Caliber: .223 Remington Number of Rounds: 20 Bullet Type: Boat Tail Hollow Point (BTHP) Bullet Weight: 69 grain Cartridge Case Material: Brass Muzzle Velocity: 3060 ft/s Muzzle Energy: 1434 ft-lbs Application: Competition Competitive Shooting Package Type: Box Included Accessories: None Primer Style: Centerfire G1 Ballistic Coefficient: 0.297 Lead Free: No Gun Type: Rifle Features of Winchester Competition Match .223 Remington 69 Grain Boat Tail Hollow Point Brass Cased Centerfire Rifle Ammunition: Intended for use in fast twist (1 in 7" to 1 in 9") barrels MatchKing BulletProven performance and extreme accuracy on the range Proven Hollow Point Boat Tail DesignSleek profile large boat tail and small hollow point maximizes long-range accuracy Package Contents: Winchester Competition Match .223 Remington 69 Grain Boat Tail Hollow Point Brass Cased Centerfire Rifle Ammunition What is Winchester Competition Match .223 Remington 69 Grain Boat Tail Hollow Point Brass Cased Centerfire Rifle Ammunition good for? The manufacturer says that it is good for competitive shooting competition.Winchester S223M2: Competition Match .223 Remington 69 Grain Boat Tail Hollow Point Brass Cased Centerfire Rifle Ammo 20 Rounds