The Hornady Frontier .223 Remington 55gr FMJ (brand part no. FR100) is American-made range and varmint ammunition loaded by Hornady on military-contract Lake City brass. The Frontier line pairs Hornady bullets with military-grade boxer primers and propellant, sending the 55-grain full metal jacket downrange at 3,240 fps from a 24-inch test barrel. It is a dependable, affordable choice for high-volume range training that can move straight to the varmint field. Among rifle ammunition, this Frontier load covers both jobs box after box.

Key Specifications

• The chambering is .223 Remington.
• The bullet weight is 55 grains.
• The bullet is a full metal jacket built for reliable feeding.
• The muzzle velocity is 3,240 fps from a 24-inch test barrel.
• The muzzle energy is 1,282 ft-lbs.
• The ballistic coefficient is .243.
• The cases are Lake City brass with military-grade boxer primers.
• Each box holds 20 rounds.

Frequently Asked Questions

Can I shoot this in a 5.56 NATO rifle? Yes. This is a .223 Remington load, which is safe to fire in rifles chambered in .223 Remington, .223 Wylde, or 5.56 NATO.

Is the brass reloadable? Yes, Frontier uses reloadable Lake City brass cases with boxer primers.

Buy Hornady Frontier .223 Remington 55gr FMJ

Whether you are stocking up for range training or varmint season, this Frontier load runs clean and feeds reliably box after box. Order from our Lubbock, Texas gun shop and it ships fast to your door.