Hornady Superformance ammunition is designed to wring every possible iota of power and performance from this line of ammunition. Superformance ammunition will perform 100 to 200 feet per second faster than its closest competitor in the same exact package. Hornady is able to accomplish this by utilizing ultra-progressive powders and matching them with the SST and GMX bullets.
Superformance ammunition is safe to use in all of your safe to use firearms and will give you the increased performance with no degradation to your guns.