Increase your rifles performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. Superformance(R) uses progressive propellants that take your favorite V-MAX,(R) NTX,(R) SST,(R) GMX,(R) InterLock,(R) and InterBond(R) bullets to levels of performance that are simply unattainable with conventional ammunition.
Features :
Features :
- 300 Winchester Magnum
- 3,130 Feet per second
- 180 Grain SST
- 20 Rounds per box
