Hornady Superformance Ammunition - 338 Winchester …
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Hornady Superformance Ammunition - 270 Winchester - 130 Grain SST - 20 Rounds
Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. Superformance® uses progressive propellants that take your favorite V-MAX,® NTX,® SST,® GMX,® and InterLock,® bullets to levels of performance that are simply unattainable with conventional ammunition.