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

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Price: $14.55

Fast Facts
  • Manufacturer Winchester
  • Condition New
  • Bullet Weight 62gr
  • Projectile Type Penetrator
  • Ammo Use Type Range Training
  • Casing Type Brass
  • Quantity 20
  • Caliber 5.56x45
  • Manufacturer SKU WM855K
  • Primer Type Boxer
  • Muzzle Velocity (ft. per sec) 3060
  • Muzzle Energy (ft. pounds) 1289
  • Magnetic Yes
  • UPC Barcode 020892228474
  • Cost Per Round 72.7¢ per round
  • Description
  • Reviews
  • Q & A
More Details About Our 20 Rounds of 62gr FMJ M855 5.56x45 Ammo by Winchester
The U.S. Army adopted the 5.56x45 M855 cartridge in 1982 in an effort to achieve better long-range performance with the M249 light machine gun. You probably don’t have an M249 – but if you’ve got an AR-15, you can still have a good time at the range with this ammo!

This cartridge’s heavier 62 grain bullet does give it a higher G1 ballistic coefficient than the M193 round it was designed to replace (0.345 as opposed to about 0.243). Its trajectory should peak at 2.26” if you’re zeroed in at 200 yards, which isn’t quite as flat as the M193 round’s trajectory – but the M855 bullet avoids transonic destabilization until about 938 yards instead of 704.

If you’re planning on taking this ammo to a range which prohibits magnetic projectiles, don’t. The M855 bullet’s gilding metal jacket conceals a seven grain solid steel “penetrator” tip. It strengthens the bullet to increase its likelihood of penetrating sheet metal, but it is also certain to attract a magnet. The bullet’s tip is painted green to indicate that its core is not entirely made out of lead!

This is brand new ammo – it is not military surplus, and its new brass cases aren’t reloaded. Winchester simply doesn’t polish their military grade brass cases to enhance their cosmetics, but that does not impact functionality or reloadability.

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Questions & Answears

We have provided this Product Q&A tool as a service to shooters. AmmoForSale.com expressly disclaims any and all liability related to how shooters use the information provided by this Product Q&A tool. See Terms of Use for more information.

Are these legal in Maryland and if so can they be shipped as well Posted On: 1/28/2021 By: James
Thanks for reaching out James! Please contact our customer service team at 800-317-9506 or customerservice@luckygunner.com for any questions you might have about shipping M855 ammo to Maryland.
Is this ammo sold in quantities of 200 or 250 rounds per box? And what is the cost? Posted On: 11/16/2020 By: Varney Smith
Hi Varney! We're currently only offering this ammo in increments of 20.
Does this ammo work in a Smith and Wesson MP 15? Posted On: 11/13/2020 By: Marcus
Yes sir, this is the ammo you want for the M&P15!
Add a Question about 20 Rounds of 62gr FMJ M855 5.56x45 Ammo by Winchester
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