Speed Kills! Varmint hunters can now reap the benefits of Hornady Superformance propellant technology in their favorite varmint cartridges. Superformance Varmint ammunition delivers muzzle velocity increases of 100 to 200 feet per second from EVERY gun. Accuracy, increased range, flatter trajectory, less wind drift and devastating terminal results are all realized with Superformance Varmint ammunition. Featuring the industry leading polymer tipped Hornady V-MAX bullet that delivers match accuracy and rapid fragmentation, Superformance Varmint ammunition from Hornady extends current varmint cartridge efficiency and performance. Optimal results are achieved in all firearms, and Superformance Varmint ammunition is safe to use in all action types, including semi-autos. Supercharge your varmint rifle with Hornady Superformance Varmint ammunition - It really IS rocket science! Product Features FAST Superformance Varmint is 100 to 200 fps FASTER than ANY conventional ammunition. ACCURATE Achieve superior accuracy, increased range, flatter trajectory, less wind drift. DEADLY Polymer tipped Hornady V-MAX or NTX bullets deliver match accuracy and rapid fragmentation. VERSATILE Optimal results are achieved in ALL firearms, including semi-autos. Product Specifications Caliber: 223 WSSM Bullet Weight: 55 Grain Bullet Type: V-MAX Muzzle Velocity: 3,850 fps Muzzle Energy: 1,810 ft-lbs Quantity: 20 Rounds per Box