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7x57mm Mauser - 139 Grain GMX - Hornady Superformance - 20 Rounds

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Overview

Quantity - 20 rounds per box
Manufacturer - Hornady Superformance
Bullets - 139 grain GMX
Casings - Boxer-primed brass
Manufacturer Hornady
Condition New
Bullet Weight 139 Grain
Bullet Type GMX
Ammo Casing Brass
Quantity 20
Ammo Caliber 7x57 Mauser
Manufacturer SKU 81556
Primer Type Boxer
Muzzle Velocity (fps) 2740
Muzzle Energy (ft lbs) 2317
Attracts Magnet No
UPC Barcode 090255815566
Use Type
Deer Hunting
See More Information
This 7mm Mauser ammunition from Hornady's Superformance series uses highly efficient propellants to increase velocity and performance without a corresponding increase in recoil or noise. The powder achieves this by delivering all of its energy to the bullet with minimal waste. These cartridges fire the GMX bullet, a polymer tipped solid copper design that offers excellent penetration and expansion in a lead-free package.

Each round in this box of 20 fires a 139 grain projectile at a muzzle velocity of 2,740 feet per second. The Superformance powder adds about 100 fps of velocity over typical 7mm Mauser loads, giving this ammo slightly better expansion potential and a flatter trajectory. Great for those trickier long-range shots.

Hornady ammunition is loaded in Grand Island, Nebraska using non-corrosive Boxer primers and brass cases.

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