The Fiocchi Range Dynamics 5.56 NATO 55gr FMJ load (brand part no. 556M193L) is a 50-round box of boat-tail full metal jacket ammunition rated at 3240 fps. Range Dynamics is Fiocchi’s high-volume practice line, built for shooters who live at the range, with stable full metal jacket boat-tail projectiles and quality components. This load uses a 55-grain bullet with a published ballistic coefficient of .243 and a muzzle energy of 1282 ft-lbs. Fiocchi lists target shooting as its intended use.

Key Specifications

• Caliber is 5.56 NATO, the single designation Fiocchi prints for this load.
• Bullet weight is 55 grains, the weight Fiocchi lists for this item.
• The bullet is a full metal jacket boat-tail, the style Fiocchi specifies for this load.
• Muzzle velocity is rated at 3240 fps, the figure Fiocchi publishes for this load.
• Muzzle energy is listed at 1282 ft-lbs, from Fiocchi’s published ballistics table.
• The published ballistic coefficient is .243, a measure of how well the bullet holds its speed.
• Each box holds 50 rounds, the quantity you receive with this listing.
• Fiocchi lists the intended use as target shooting.

Frequently Asked Questions

Can I shoot this in a .223 Remington rifle? Fiocchi labels this load 5.56 NATO, which is a different designation from .223 Remington. Fire it only in a rifle marked for 5.56 NATO, and check your firearm manufacturer’s guidance before using it in a .223 Remington chamber.

What bullet does it use? A 55-grain full metal jacket boat-tail rated at 3240 fps.

How many rounds come in a box? Each box holds 50 rounds.

Buy the Fiocchi Range Dynamics 5.56 NATO 55gr Full Metal Jacket Boat-Tail

Range sessions burn through ammunition, and this load is the kind of practice round Fiocchi designed the Range Dynamics line to deliver. Order it from our Lubbock, Texas gun shop for fast, insured shipping, and see more rifle ammunition.