Federal American Eagle M193 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket

Federal American Eagle M193 ammo brings genuine mil-spec ball ammunition from one of the industry’s most trusted names. This 55 grain FMJ ammo design cycles reliably through every gas-operated AR-15. Additionally, this multi-pack case options ammo lineup lets shooters buy exactly the quantity they need. It also qualifies as affordable bulk rifle ammo for frequent range trips. Shooters who want an even larger case quantity can also check out the Winchester M193 Value Pack as another bulk option. Furthermore, this AR-15 practice ammo choice keeps cost per round reasonable.

Federal 55gr Ball Ammo Specifications

• Caliber: 5.56x45mm NATO
• Bullet Weight: 55 Grain
• Bullet Type: M193 Full Metal Jacket
• Case: Brass, boxer-primed, reloadable, Federal manufactured
• Muzzle Velocity: Approximately 3,165 fps
• Case Options: 100 or 500 rounds
• Application: Range practice, training, and high-volume shooting

55 Grain FMJ Ammo Built for Reliability

55 grain FMJ ammo like this Federal load benefits from decades of American Eagle manufacturing consistency. Because Federal builds this ammunition to strict mil-spec tolerances, shooters get dependable cycling. Also, the M193 bullet profile feeds smoothly through most magazine designs. Shooters can browse the full rifle ammo lineup for other practice-grade options.

Multi-Pack Case Options Ammo: Federal 55gr Ball Ammo Flexibility

Multi-pack case options ammo like this Federal load lets shooters choose between a smaller box or a larger case. As a result, buyers can match their purchase to their actual training schedule. For a heavier alternative instead, see our IMI M193 55 Grain FMJ load.

Affordable Bulk Rifle Ammo for Frequent Range Trips

Affordable bulk rifle ammo like this Federal load keeps cost per round low for shooters who train often. In addition, restocking the range bag takes far less time between trips. Handloaders can pair recovered brass with components from our 223 Remington ammo section.

AR-15 Practice Ammo for Reliable Cycling

AR-15 practice ammo like this Federal load cycles reliably across most gas-operated rifles. In short, this Federal 55gr ball ammo rounds out a well-stocked training lineup. For a bulk case option instead, see our 5.56x45mm NATO ammo lineup.

Federal 55gr Ball Ammo FAQs

What twist rate works best with this ammo?

Federal American Eagle M193 ammo works well with a 1:9 or faster twist rate. Specifically, most factory AR-15 barrels ship with a twist rate suited to this bullet weight. Slower twists like 1:14 may not stabilize this bullet properly. Therefore, check your barrel’s twist rate before choosing this load.

Is this ammo safe to fire in a 5.56 chambered AR-15?

Yes, Federal American Eagle M193 ammo is loaded to 5.56x45mm NATO specifications and is safe in any properly headspaced 5.56 chamber. Additionally, it also safely cycles through .223 Wylde chambers. However, shooters should avoid firing 5.56 ammo in a rifle marked .223 Remington only. Always verify your barrel markings first.

Does this Federal 55gr ball ammo use reloadable brass?

Federal American Eagle M193 ammo uses boxer-primed brass cases that are fully reloadable. As a result, handloaders can recover and reuse spent cases after firing. In addition, Federal’s consistent case quality makes for easy reloading. This makes it a solid choice for budget-conscious reloaders.

What velocity does this ammo produce?

Federal American Eagle M193 ammo produces approximately 3,165 feet per second from a 20-inch test barrel. Specifically, velocity runs somewhat lower from a shorter 16-inch AR-15 barrel. Therefore, shooters should chronograph their own rifle for exact data. Always review safe handling guidance from the National Shooting Sports Foundation before heading to the range.

How should I store this Federal 55gr ball ammo?

Federal American Eagle M193 ammo should be stored in a cool, dry place away from direct sunlight. In addition, keeping ammo sealed in its original packaging prevents moisture exposure. Therefore, a sealed container or ammo can adds extra protection long term. Proper storage preserves reliable ignition for years.