For rifles, this bullet is designed for explosive expansion in varmints and small game and with accuracy characteristic of the MatchKing bullets. The nose tips of this bullet is made of a proprietary acetyl resin compound, and the sharp tips improve the ballistic coefficient over the traditional flat-base Spitzer bullet design. The 40 grain BlitzKing #1440 has a flat base. All the BlitzKing bullets in 22 caliber are designed to be fired at muzzle velocities up to 4400 fps.For handguns, the BlitzKing bullet is especially effective in varmints and small game for the full range of centerfire cartridges in 22 caliber. They have outstanding accuracy, a flat trajectory and superb expansion in small animals even with the smaller-capacity cartridges. The 40 grain #1440 bullet is recommended for smaller cartridges, such as the 22 Hornet up to the 222 Remington.The #1440 was introduced in 1999.Specifications:Manufacturer: SierraCartridge: .243 WinchesterNumber of Rounds: 20Bullet Type: Flat Base SpitzerBullet Weight: 70 grainCartridge Case Material: Nickel Plated BrassMuzzle Velocity: 3450 ft/sApplication: VarmintPackage Type: BoxPrimer Style: Centerfire