Fiocchi Hyperformance .223 Rem 77 Grain Hollow Point Boat Tail Brass Rifle Ammo 20 Rounds. This versatile lineup includes precision-engineered SBR Enhanced ammunition optimized for short barrels ranging from 7.5'' to 11.5'' and designed to deliver maximum ballistic and terminal performance. The line also features the cutting-edge 4.6x30mm cartridge-a high-velocity low-recoil round favored by elite military forces and law enforcement offering top-tier ballistic results with its 38-grain tipped hollow point. Specifications for Fiocchi Hyperformance .223 Rem 77 Grain Hollow Point Boat Tail Brass Rifle Ammunition: Manufacturer: Fiocchi Caliber: .223 Remington Number of Rounds: 20 Bullet Type: Hollow Point (HP) Bullet Weight: 77 grain Cartridge Case Material: Brass Muzzle Velocity: 2750 ft/s Application: General Case Material: Brass Package Contents: Fiocchi Hyperformance .223 Rem 77 Grain Hollow Point Boat Tail Brass Rifle Ammunition What is Fiocchi Hyperformance .223 Rem 77 Grain Hollow Point Boat Tail Brass Rifle Ammunition good for? The manufacturer thinks that it is suitable for general.Fiocchi 223SBRD: Hyperformance .223 Rem 77 Grain Hollow Point Boat Tail Brass Rifle Ammo 20 Rounds