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

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Fast Facts
  • Manufacturer Winchester
  • Condition New
  • Bullet Weight 62gr
  • Projectile Type Penetrator
  • Ammo Use Type Range Training
  • Casing Type Brass
  • Quantity 125
  • Caliber 5.56x45
  • Manufacturer SKU USA855125
  • Primer Type Boxer
  • Muzzle Velocity (ft. per sec) 3060
  • Muzzle Energy (ft. pounds) 1289
  • Magnetic Yes
  • UPC Barcode 020892230798
  • Description
  • Reviews
  • Q & A
More Details About This Winchester 62gr Penetrator 5.56x45 Ammo
Think of M855 as your everyday 5.56x45 range ammo – with a little extra spice thrown in for good measure.

What makes this round different is its 62 grain bullet. It is an FMJ and hence designed to promote optimal functionality in a semi-automatic rifle (like the AR-15), but its green painted tip denotes the bullet’s steel penetrator core. This makes the bullet’s tip a whole lot harder, and thus able to penetrate sheet metal and other obstinate barriers. The M855 is magnetic, and its heavier weight means it is most accurate in a 1:8 or 1:9 twist barrel. It also has the potential to split in half to deal accentuated damage to soft tissue.

This ammo is military-grade, with rugged heat-treated brass cases for added reliability. The new cases’ discolored necks and shoulders are a byproduct of the heat treatment procedure which made them more supple. Clean-burning propellant, non-corrosive Boxer primers, and made in America!

A portion of the proceeds from all USA VALOR ammo sales go to Folds of Honor, a charity which donates 90 percent of their income to providing scholarships to family members of fallen members of our Armed Forces.

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