Hornadys Superformance uses progressive propellants that take your favorite VMAX NTX SST GMX InterLock and InterBond bullets to levels of performance that are simply unattainable with conventional ammunition. It use the highest quality cases and primers available which equals consistent components that translates to consistent shooting in the field. The Superformance ammunition is 100 to 200 fps faster than conventional ammunition and is safe for use in all firearm types including semiautos lever guns and pump actions.This 3006 Springfield load features a SST bullet with a 165 grain weight and comes packaged 20 rounds per box 10 boxes per case.
