Hornady Superformance 7mm Rem Mag 139gr SST – 20rd Box

Hornady Superformance 7mm Remington Magnum factory ammunition loads a 139‑grain SST bullet into brass cases, supplied 20 rounds per box. The Superformance line uses progressive propellants to deliver increased velocity—advertised at 100–200 fps faster than conventional loads—without increased felt recoil at standard pressure levels. This particular load lists a muzzle velocity of 3240 fps and is packaged for hunting and precision field use.

Key Specifications

• Chambered in 7mm Remington Magnum.
• Bullet weight: 139 grains.
• Bullet type: SST (polymer-tipped).
• Muzzle velocity: 3240 fps.
• Packaged 20 rounds per box.
• 10 boxes per case (200 rounds per case).
• Case material: Brass.
• Reloadable: Yes.
• Intended application: Hunting.

Hornady's Superformance ammunition is designed to deliver flatter trajectories and improved terminal performance for field use by combining efficient propellants with proven SST projectiles. The brass-cased, reloadable rounds offer consistent components for repeatable performance across a range of conditions, making this load suitable for hunters and precision shooters who prioritize high-quality factory ammunition.