Hornady Superformance 300 Win Mag 165 Grain GMX

Hornady's Superformance uses progressive propellants that take your favorite V-MAX, NTX, SST, GMX, InterLock, and InterBond bullets to levels of performance that are simply unattainable with conventional ammunition. Superformance uses the highest quality cases and primers available, which equals consistent components for consistent shooting performance in the field. Superformance ammunition is 100 to 200 fps faster than conventional ammunition and is safe for use in all firearm types, including semi-autos, lever guns, and pump actions. This 300 Winchester Magnum load features a GMX bullet with a 165-grain weight and comes packaged 20 rounds per box, 10 boxes per case.