1000 Rounds of .357 Mag Ammo by Ammo Inc. - 158gr TMJ

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Ammo Overview

Ammo Quantity - 1,000 rounds per case; 50 rounds per box
Ammo Manufacturer - Ammo Inc.
Projectiles - 158 grain total metal jacket (TMJ)
Ammo Casings - Boxer-primed brass
Muzzle Velocity - 1,235 fps
Muzzle Energy - 535 ft lbs


You have declared war – war on paper and plinking targets. We want you to win that war, which is why we’ve got your case of Ammo Inc. 357 Magnum ammunition ready to ship out at a moment’s notice.

This round’s total metal jacket (aka total metal case) projectile features a lead core and a copper-alloy jacket. It performs identically to a standard full metal jacket but with one important difference. Unlike an FMJ, the TMJ’s core is totally surrounded by its jacket, including its base. The TMJ therefore prohibits the heat of ignition from burning any lead off of its core. Your revolver or lever-action rifle will remain more accurate by forgoing lead fouling of the barrel. Perhaps more importantly, your lungs won’t be exposed to lead gas. That’s of especial benefit if you spend long sessions at an indoor range.

Ammo Inc.’s Wisconsin-made ammo features reloadable brass cases and noncorrosive Boxer primers. The company’s Hyperclean Technology promotes more complete combustion of the propellant inside the barrel, which will keep it even cleaner.

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