Fiocchi Shooting Dynamics .223 Remington 55-grain FMJ BT rifle ammunition (brand part no. 223AC) is built for shooters who want mil-spec ballistics without paying a duty-ammo premium. Fiocchi loads this round with a boat-tail full metal jacket bullet at a brisk 3240 fps, giving AR-platform rifles a flat trajectory well suited to zeroing and range work. The 55-grain bullet is the classic training weight for .223 Remington and 5.56 NATO rifles, cycling reliably through gas guns and bolt actions alike. Shipping 1000 rounds to the case, it is built for shooters who train often enough that box-by-box pricing does not make sense. For dependable, high-volume .223 Remington range ammunition, Shooting Dynamics is a proven pick.

Key Specifications

• The chambering is .223 Remington, interchangeable with 5.56 NATO in most AR-platform rifles.
• The bullet weighs 55 grains, the classic training and range weight for this cartridge.
• The projectile is a Full Metal Jacket Boat-Tail (FMJ BT), a non-expanding bullet built for function rather than terminal expansion.
• The boat-tail base reduces drag downrange, holding a flatter trajectory than a flat-base bullet.
• Muzzle velocity is rated at 3240 fps, brisk performance that keeps trajectory flat at typical range distances.
• The ammunition ships in a 1000-round case, packed as twenty 50-round boxes for organized storage.
• Shipping weight runs approximately 28 pounds per case, typical for a full case of .223 Remington rifle ammunition.
• Cost works out to about $0.62 per round across the full case, keeping high-volume AR training affordable.

Frequently Asked Questions

Is this ammunition interchangeable with 5.56 NATO? Yes, .223 Remington FMJ BT ammunition like this functions in most rifles chambered for 5.56 NATO or .223 Remington.

Will this FMJ BT bullet expand? No, it is a full metal jacket ball bullet built for reliable function, not expansion, so it suits range and training use rather than hunting.

How many rounds come in the case? The case holds 1000 rounds, packed as twenty 50-round boxes.

Buy Fiocchi Shooting Dynamics .223 Remington 55gr FMJ BT, 1000-Round Case

Running an AR-platform rifle hard through a training class or a long range day means burning through rifle ammunition fast, and this case is built for exactly that pace. Fiocchi keeps the boat-tail bullet consistent from the first round to the thousandth. Order from our Lubbock, Texas gun shop and it ships fast to your door.