Hornady 80563 Superformance Rifle Ammo 270 WIN, SST, 140 Grains, 3090 fps, 20, Boxed
Superformance uses progressive propelleants that hake your favorite SST,GMX and InterBond bullets to levels of performance that are simply unattainable with conventional ammunition. 100-200 FPS faster than any conventional ammo. Safe for use in all firearms types. 20 rounds per box.