Description
The Federal 5.56 NATO 55gr FMJ load is built for shooters who want more from their 5.56x45mm NATO than typical factory ammunition delivers. Federal loads a 55 grain full metal jacket boat-tail to a rated 3165 feet per second, producing about 1224 foot-pounds of energy. This load is built to the XM193 military specification, with a 55 grain boat-tail bullet and NATO-spec pressure for reliable function in 5.56 chambered rifles.

Why Choose the Federal 5.56 NATO 55gr FMJ
- 55 grain full metal jacket boat-tail bullet
- Rated 3165 fps and 1224 ft-lbs
- Brass cases with reliable primers
- Built to XM193 military specification
- 20 rounds per box, item AE193
Built for Training and Practice
- Affordable load for regular range practice
- Reliable feeding and ignition
- Consistent velocities for repeatable practice
- Quality brass cases
Buying ammunition by the box from the same production lot keeps velocity and point of impact consistent from one range trip to the next. Keep a record of the load you carry, check your ammunition for dents or loose bullets from time to time, and rotate your carry rounds so the ones in your firearm stay fresh. These simple habits help you get the full performance Federal builds into every cartridge.
Before you trust any new load, fire enough rounds through your firearm to confirm it feeds, fires and ejects reliably and that the point of impact matches your sights. Full-power loads produce more recoil and muzzle blast than typical range ammo, so practice with the Federal 5.56 NATO 55gr FMJ until you are comfortable with it, and store the rest in a cool, dry place in the original box.
The 5.56x45mm NATO cartridge was adopted by the US military in the 1960s along with the M16 rifle and has since become the standard rifle round for NATO forces. It is loaded to higher pressure than the commercial .223 Remington, and rifles chambered in 5.56 can safely fire both, making it one of the most popular rifle cartridges in America.
Specifications
- Brand: Federal Premium
- Product Line: American Eagle
- Caliber: 5.56x45mm NATO
- Bullet Weight: 55 grains
- Bullet Type: full metal jacket boat-tail
- Muzzle Velocity: 3165 fps
- Muzzle Energy: 1224 ft-lbs
- Case: Brass
- Quantity: 20 rounds
- Item Number: AE193
- UPC: 604544703917
Why Choose Federal 5.56 NATO Ammo
Shooters who need dependable 5.56 nato range ammo want consistent velocity and reliable function box after box. This American Eagle load from Federal delivers that with quality brass cases, reliable primers and carefully measured powder charges, so practice sessions are spent building skill rather than chasing flyers.
The 5.56 nato 55 grain fmj bullet leaves the muzzle at about 3165 fps with roughly 1224 ft-lbs of energy. Loaded to full 5.56 NATO pressure, it cycles reliably in gas-operated rifles and matches the ballistics of issue ammunition.
Federal Premium has made ammunition in Anoka, Minnesota since 1922 and is one of the largest ammunition makers in the country. Its American Eagle line is built with the same quality controls as its premium hunting and law enforcement loads, and federal 5.56 nato ammo is trusted by shooters, hunters and agencies across the United States.
This ammunition is a good fit for owners of AR-15 and M4-style rifles, the SIG MCX, Ruger Mini-14 and other rifles chambered in 5.56x45mm NATO who want reliable, affordable practice ammunition. Always confirm your firearm is chambered for 5.56x45mm NATO, wear eye and ear protection, and follow all federal, state and local laws.
Browse more ammunition at Mag 5 Firearms, or visit Federal Premium for more about their full line of loads.









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