150 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, Self Defense
  • Casing Type Brass
  • Quantity 150
  • Caliber 5.56x45
  • Manufacturer SKU WM855150
  • Primer Type Boxer
  • Muzzle Velocity (ft. per sec) 3060
  • Muzzle Energy (ft. pounds) 1289
  • Magnetic Yes
  • UPC Barcode 020892228306
  • Description
  • Reviews
  • Q & A
More Details About This Winchester 62gr Penetrator 5.56x45 Ammo
Looking for versatile ammo for your AR-15 or other 5.56x45 rifle? Winchester has one of the Army’s favorite picks for their M4 rifles in store, and at 150 rounds to a box you’ll be able to fire it however you please!

This is M855 5.56 ammo. On the outside its 62 grain bullet is functionally identical to any other FMJ, so you can count on smooth feeding and decreased barrel fouling per usual. But inside the bullet’s tip lies a steel “penetrator” core.

The penetrator does exactly what you would expect it to, which is to say it promotes penetration. This round’s bullet is much better equipped to pierce 1/8” thick sheet metal at close range, and it can penetrate to a depth of up to 20” in soft tissue. The M855 bullet also has a good chance of splitting in half inside of soft tissue, making its terminal performance even more effective for self-defense. But this is also fine plinking and target shooting ammo – so long as you’re not at a range which bans magnetic projectiles!

Each round in this box of 150 has a reloadable brass case alongside a non-corrosive Boxer primer. Every AR aficionado should try M855 ammo at least once!

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