125 Rounds of 5.56x45 Ammo by Winchester USA VALOR - 62gr FMJ M855

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Ammo Overview

Ammo Quantity - 125 rounds per box
Ammo Manufacturer - Winchester
Projectiles - 62 grain full metal jacket (FMJ) M855
Ammo Casings - Boxer-primed brass
Muzzle Velocity - 3,060 fps
Muzzle Energy - 1,289 ft lbs


Winchester’s USA VALOR line of ammunition pays tribute to America’s fallen heroes. For every box of this ammo Winchester sells, they donate a portion of the proceeds to Folds of Honor, a charity which provides scholarships to children of service members who made the ultimate sacrifice for their country.

This is 5.56x45 M855 ammo – that means its bullet is magnetic, but not for cost-saving purposes. The 62 grain FMJ has a steel “penetrator core” – lead in back and steel in front, which enables it to dominate barriers at close to medium range. The bullet can pierce a 1/8” thick sheet of steel at 2,000 feet!

This ammo’s brass cases have plainly visible annealing marks. These are a remnant of the heat treatment process which made the brass more robust; the cases are in fact brand new and not reloaded.

The heavier M855 bullet provides the best accuracy when fired out of a 1:9 or 1:8 twist barrel.

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