20 Rounds of 55gr FMJBT 5.56x45 Ammo by Federal

Out of stock

Fast Facts
  • Manufacturer Federal
  • Condition New
  • Bullet Weight 55gr
  • Projectile Type FMJBT
  • Ammo Use Type Range Training
  • Casing Type Brass
  • Quantity 20
  • Caliber 5.56x45
  • Manufacturer SKU XM193H
  • Primer Type Boxer
  • Muzzle Velocity (ft. per sec) 3165
  • Muzzle Energy (ft. pounds) 1270
  • UPC Barcode 029465060749
  • Cost Per Round 45.0¢ per round
  • Description
  • Reviews
  • Q & A
More Details About This Federal 55gr FMJBT 5.56x45 Ammo

If there ever was a universally popular rifle, it’s the AR-15. Not only are they fun to shoot, they’re quite versatile with uses ranging from plinking to hunting to home defense. A common area of confusion is the difference between 5.56 NATO and .223 Remington, but it’s actually fairly simple. Although the two cartridges are externally similar, 5.56 NATO is loaded to a higher internal pressure and also has a longer chamber leade than many .223 Remington rounds. That means firing a 5.56 round from a gun chambered specifically in .223 Remington can have catastrophic results.

Federal makes these rounds for guns chambered in 5.56x45mm. Each round weighs in at 55 grain making these lightweight but within the standard weight range for this cartridge size. These are FMJ, Full Metal Jacket, rounds and so do not expand on impact but simply strike the target, penetrate, and continue traveling. It’s vital to have a good backstop in place during target practice because these rounds can literally travel for miles unchecked. This ammunition is meant for target practice, self-defense training, and plinking.

When you order this single box of ammunition from Federal you get 20 target rounds. That’s just enough to give your AR-15 a snack and to get a taste for what these rounds are capable of doing. These rounds are produced in fresh brass cases with boxer primer, so collect your spent brass for reloading. Each round leaves the barrel of your rifle at a muzzle velocity of 3240 feet per second and muzzle energy of 1282 foot-pounds. Federal manufactures these rounds at their factory in Anoka, Minnesota, according to high standards for quality and performance. Order now and feed your AR-15 these American-made rounds.

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