Increase your rifle's 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