Wilson Combat .223 Remington 55 Grain Soft Point Brass Rifle Ammo 20 Rounds. The SP ensures rapid expansion making it an ideal choice for self-defense/tactical use when low penetration is a must. Suitable for 1-7 1-8 or 1-9 twist barrels. Specifications for Wilson Combat .223 Remington 55 Grain Soft Point Brass Rifle Ammunition: Manufacturer: Wilson Combat Caliber: .223 Remington Number of Rounds: 20 Bullet Type: Soft Point (SP) Bullet Weight: 55 grain Cartridge Case Material: Brass Muzzle Velocity: 2800 ft/s Muzzle Energy: 957 ft-lbs Package Contents: Wilson Combat .223 Remington 55 Grain Soft Point Brass Rifle Ammunition Wilson Combat A223-55-SP: .223 Remington 55 Grain Soft Point Brass Rifle Ammo 20 Rounds