Hornady 81264 Superformance Match  5.56 NATO 75 GR Boat Tail Hollow Point Match 20 Bx/ 10 Cs Hornady's Superformance Match advantages  higher muzzle velocity, phenomenal accuracy, increased range and reduced wind drift. Topped with the finest bullets, it marries the very best cartridge cases with extremely stable propellants. The propellants are custom blended for each individual load to provide true ammunition performance enhancement. This 5.56 NATO load features a boat tail hollow point match bullet with a 75 grain weight and comes packaged 20 rounds per box, 10 boxes per case. SPECIFICATIONS: Mfg Item Num:       81264                 Category:           CENTERFIRE RIFLE ROUNDS       Caliber             :5.56 NATO Bullet Type         :Boat Tail Hollow Point Match Bullet Weight       :75 GR Muzzle Energy       :1410 ft lbs Muzzle Velocity     :2910 fps Rounds Per Box      :20 Boxes Per Case      :10 Application         :Target/Competition Casing Material     :Brass