The Hornady Varmint Express 220 Swift ammunition delivers exceptional performance for varmint and small game hunting with 55-grain V-Max bullets achieving 3680 FPS muzzle velocity and 1654 ft-lbs of energy.Hornady Varmint Express 220 Swift 55 Grain V-MaxHigh-velocity 3680 FPS muzzle velocity1654 ft-lbs muzzle energy for effective terminal performancePremium brass casing for reliability20 rounds per boxV-Max polymer tip bullets for rapid expansionDesigned specifically for varmint hunting this high-performance ammunition provides the flat trajectory and devastating terminal performance needed for long-range precision shooting on prairie dogs coyotes and other small game.