Hornady Superformance .300 Win Mag 180gr SST, 20rd

Hornady Superformance .300 Winchester Magnum factory ammunition is loaded with a 180‑grain SST (Super Shock Tip) bullet and designed for hunting and precision rifle applications. The Superformance line uses advanced propellants to deliver increased muzzle velocity without a corresponding increase in felt recoil and muzzle blast. This cartridge is offered in 20‑round boxes intended for use in appropriate centerfire rifles in the .300 Win Mag chambering.

Key Specifications

• The cartridge is .300 Winchester Magnum.
• The bullet weight is 180 grains.
• The bullet type is a Polymer‑tipped SST.
• The listed muzzle velocity is 3130 fps.
• The packaging is 20 rounds per box.
• The product is sold with 10 boxes per case (as indicated in source attributes).
• The case material is brass.
• The ballistic coefficient is listed as 0.48.
• The rounds are marked as reloadable.

Built around Hornady’s Superformance propellant technology and the SST bullet design, this loading is aimed at shooters who want higher velocity and flat trajectory in lawful hunting and precision shooting contexts. Its combination of a high-BC projectile and efficient propellant provides consistent external ballistics while remaining suitable for the range of rifle platforms chambered in .300 Winchester Magnum.