1250 Rounds of 5.56x45 Ammo by Winchester USA VALOR - 62gr FMJ M855

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2 Review(s)

Ammo Overview

Ammo Quantity - 1,250 rounds per case; 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 series ammunition pays tribute to the great company’s long-standing tradition of supplying materiel to our Armed Forces. It also supports the family of America’s greatest heroes, as Winchester donates a portion of their proceeds from USA VALOR to Folds of Honor, an organization which sends our fallen troops’ children to college.

Looking for 5.56x45 ammunition that packs a little something extra? Then we think you’ll agree that M855 is where it’s at. This military-grade ammo is loaded with 62 grain penetrator projectiles with green-painted tips. The penetrator performs just like a conventional FMJ – until it hits its target. That’s when the seven-grain solid steel tip just beneath its gilding metal jacket kicks into action, ensuring the bullet can pass through barriers as tough as sheet metal at close-to-medium range!

This round’s somewhat heavier bullet will receive the best in-flight stability from a barrel with a 1:9 or 1:8 rate of twist, although a 1:7 twist will do just fine over all but the farthest ranges. More importantly, the M855 bullet is magnetic!

This ammo’s new brass cases are extremely robust because they have been heat-treated. You will notice discoloration on the cases, although it is purely cosmetic. Boxer-primed, reloadable, and ready to rock out of all 5.56 rifles!

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Posted On: 3/7/2022 By: Bruce Kleespie

A: Thanks for reaching out Bruce! This is in fact new production ammunition. You're correct to notice that this ammo's cases are discolored, but that's not because they are tarnished from age. The flat, dark discoloration on the case's shoulder and neck is the byproduct of the annealing process. Essentially, the cases are heat-treated at the factory to make them more durable. Discoloration from annealing is only cosmetic, so there's no reason for the military to demand that their cases are polished before packaging.

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