Winchester Varmint X .223 Remington 55 Grain Extreme Point Brass Cased Centerfire Rifle Ammo 20 Rounds. Tailored for those requiring explosive performance Varmint X ammunition features sleek polymer-tipped bullets that promote rapid energy transfer upon impact. This line is particularly noted for its fragmenting bullet design incorporating a thin alloy jacket and soft lead core to deliver massive trauma to the target. Precision-engineered for high accuracy with a bullet profile crafted to exacting tolerances Varmint X stands as the preferred ammunition for hunters targeting species from prairie dogs to coyotes merging Winchester's historical dependability with cutting-edge ballistic technology. Specifications for Winchester Varmint X .223 Remington 55 Grain Spitzer Flat Base Brass Cased Rifle Ammunition: Manufacturer: Winchester Caliber: .223 Remington Number of Rounds: 20 Bullet Type: Spitzer Flat Base Bullet Weight: 55 grain Cartridge Case Material: Brass Muzzle Velocity: 3240 ft/s Muzzle Energy: 1282 ft-lbs Application: Hunting Package Type: Box Included Accessories: None Primer Style: Centerfire Lead Free: No Features of Winchester Varmint X .223 Remington 55 Grain Spitzer Flat Base Brass Cased Rifle Ammunition: Caliber: 223 Remington 55 Grain Designed for predator and varmint hunting Polymer-tipped bullets for explosive impact Trusted Winchester dependability with the latest technology Suitable for hunting prairie dogs to coyotes 20 rounds per box Fragmenting bullet for massive impact trauma Highly accurate with a sleek bullet profile Rapid expansion with Extreme Point polymer tip Muzzle Velocity: 3240 fps Muzzle Energy: 1282 ft-lbs Package Contents: Winchester Varmint X .223 Remington 55 Grain Spitzer Flat Base Brass Cased Rifle Ammunition What is Winchester Varmint X .223 Remington 55 Grain Spitzer Flat Base Brass Cased Rifle Ammunition good for? The manufacturer says that it is good for hunting.Winchester Varmint X .223 Remington 55 Grain Extreme Point Brass Cased Centerfire Rifle Ammo 20 Rounds X223PXP