IMI M193 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket

IMI M193 55 grain FMJ ammo gives shooters a proven case-quantity option for high-volume training. Additionally, this case quantity 5.56 ammo ships in your choice of case size for easy stocking. It follows the same NATO spec ball ammo profile used by militaries worldwide. Furthermore, this brass reloadable rifle ammo also works well as AR-15 range ammo for frequent practice.

IMI Ball Rifle Ammo Specifications

• Caliber: 5.56x45mm NATO
• Bullet Weight: 55 Grain
• Bullet Type: Full Metal Jacket (FMJ), M193 profile
• Case: Brass, boxer-primed, reloadable, IMI manufactured
• Muzzle Velocity: Approximately 3,240 fps
• Case Options: 420 or 1200 rounds
• Application: Range training, bulk practice, AR-15 platforms

Case Quantity 5.56 Ammo: IMI Ball Rifle Ammo Value

Case quantity 5.56 ammo like this IMI load keeps cost per round low for shooters who train often. Because it ships in a full case, restocking the range bag takes far less time. Also, this format suits clubs and instructors buying for group sessions. Shooters can browse the full rifle ammo lineup for other bulk options, or compare against dedicated 223 Remington ammo for bolt-action rifles.

NATO Spec Ball Ammo Built to M193 Standards

NATO spec ball ammo like this IMI load follows the original M193 ball specification. As a result, it cycles reliably through most AR-15 platforms without adjustment. Also, the flat-base FMJ bullet feeds smoothly from standard magazines. For a green-tip alternative instead, see our IMI M855 62 Grain Ammo Can load.

Brass Reloadable Rifle Ammo: IMI Ball Rifle Ammo Choice

Brass reloadable rifle ammo like this IMI load gives budget-minded shooters a path to lower long-term costs. Furthermore, boxer-primed cases accept standard reloading dies and components. Handloaders can also pair recovered brass with our 5.56x45mm NATO ammo lineup when sourcing bullets and components. In short, this IMI ball rifle ammo rounds out a well-stocked 5.56 lineup.

AR-15 Range Ammo for Frequent Practice

AR-15 range ammo like this IMI load helps shooters build trigger time without breaking the budget. Also, consistent bullet weight keeps point of impact steady across a long session. For a heavier-grain option instead, see our Winchester M855 62 Grain Penetrator load.

IMI Ball Rifle Ammo FAQs

What twist rate works best with this ammo?

IMI M193 55 grain FMJ ammo performs best in barrels with a 1:9 or 1:7 twist rate. Specifically, a 1:9 twist stabilizes this lighter 55 grain bullet very well. Faster twists like 1:7 also cycle it reliably, though they are tuned for heavier bullets. Therefore, most standard AR-15 barrels handle this load without issue.

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

Yes, IMI M193 55 grain FMJ 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, since chamber pressures differ. Always verify your barrel markings first.

Does this ammo use reloadable brass?

IMI M193 55 grain FMJ ammo uses boxer-primed brass cases that are fully reloadable. As a result, handloaders can recover and reuse spent cases after firing. In addition, IMI brass is known for consistent quality across large production runs. This makes it a solid choice for high-volume reloaders.

What velocity does this ammo produce?

IMI M193 55 grain FMJ ammo produces approximately 3,240 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 IMI ball rifle ammo?

IMI M193 55 grain FMJ ammo should be stored in a cool, dry place away from direct sunlight. In addition, keeping the case sealed until needed prevents moisture exposure. Therefore, a sealed container or ammo can adds extra protection long term. Proper storage preserves reliable ignition for years.