Description
Federal's American Eagle line has been the go-to choice for AR-15 owners who want ammo that just works, and this 5.56mm 55gr FMJ case is a solid example why. Loaded to genuine 5.56 NATO pressure specs, it's built around the same 55 grain full metal jacket boat-tail bullet that's been running through AR-pattern rifles for decades. You get a muzzle velocity of 3165 fps, muzzle energy right around 1223 ft-lbs, and a .246 ballistic coefficient that keeps the bullet flying flat and predictable out to typical carbine distances.
What's in the AE193 Case
This case breaks down into 25 boxes of 20 rounds, giving you 500 rounds total without having to juggle a dozen small packs at the register. That packaging makes it easy to grab exactly what you need for a class, a weekend at the range, or just restocking the ammo shelf so you're not making another trip next month. Each cartridge uses a reloadable brass case and a Boxer primer, so if you're into reloading, this stuff gives you something usable when the brass hits the ground.
Why American Eagle 5.56 Earns Its Keep
The bullet itself is non-magnetic, which matters if you shoot at a range that screens for magnetic projectiles before letting you on the line. It's not designed to expand, so this is strictly a target and training load rather than anything meant for hunting or defense. Where it shines is high-volume shooting: running drills, confirming a zero, breaking in a new upper, or just spending an afternoon punching holes in paper without worrying about feeding issues.
Federal American Eagle Rifle Ammunition in the Real World
Federal built its reputation on consistency from lot to lot, and that's exactly what this load is known for among people who shoot a lot of 5.56. It cycles cleanly across most AR platforms chambered in 5.56 NATO or .223 Wylde, and the non-corrosive powder means less cleanup after a long session. If your rifle sees regular use and you'd rather spend your range time shooting than troubleshooting, this is the kind of bulk ammo that lets you do exactly that.
Key Specifications
- Caliber: 5.56x45mm NATO
- Bullet Weight: 55 grain
- Bullet Style: Full Metal Jacket Boat-Tail (FMJBT)
- Muzzle Velocity: 3165 fps
- Muzzle Energy: 1223 ft-lbs
- Ballistic Coefficient: .246
- Case Material: Reloadable Brass
- Primer Type: Boxer, non-corrosive
- Magnetic: No
- Rounds per Box: 20
- Boxes per Case: 25
- Total Rounds: 500
- Manufacturer: Federal Ammunition
- Manufacturer Part Number: AE193 Case
- UPC: 50004544703910
What’s Included
- 25 boxes of Federal American Eagle 5.56mm 55gr FMJ ammunition (20 rounds per box)
- 500 rounds total in bulk case packaging
Frequently Asked Questions
Can I shoot this Federal American Eagle 5.56mm ammo in a rifle chambered in .223 Remington?
This load is loaded to 5.56 NATO pressure specs, which run higher than standard .223 Remington. It's designed to run in rifles chambered in 5.56 NATO or .223 Wylde. If you're not sure what your barrel is stamped as, check your owner's manual or the barrel markings before feeding it a steady diet of 5.56.
Is this the same as M193 ammo?
Pretty much, yes. This load is built to M193 specifications with the same 55 grain FMJ boat-tail bullet, muzzle velocity, and pressure profile, just packaged for the commercial market instead of military contracts.
Is this ammo good for high-round-count range days or should I save it for precision shooting?
This is exactly what it's built for. The consistent brass, dependable primers, and smooth-feeding bullet design make it a solid pick for drills, zeroing optics, or just burning through a few hundred rounds in an afternoon without worrying about function issues.
Will this Federal American Eagle FMJ work at ranges that don't allow magnetic ammunition?
Yes, the 55 grain bullet in this load is non-magnetic, so it should pass at ranges that screen for that before letting you shoot.




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