Hornady 223 Rem 55gr FMJ Frontier

Hornady 223 Rem 55gr FMJ Frontier Ammunition

The Hornady 223 Rem 55gr FMJ Frontier Ammunition is a factory-loaded rifle cartridge optimized for reliable performance, tight accuracy, and economic value in both AR-platform and bolt-action rifles. Each box contains 20 rounds of 223 Remington ammunition loaded with Hornady’s 55gr full metal jacket (FMJ) bullet, matching the proven profile of M193 military projectiles.

Tested from a 24″ barrel, this round delivers a muzzle velocity of approximately 3,200 fps and muzzle energy around 1,256 ft‑lbs. The 55gr FMJ bullet features a drawn copper jacket over a lead core, ensuring smooth feeding, stable flight, and dependable terminal consistency in standard 223 Rem and 5.56 NATO chambers.

Each cartridge uses reloadable brass cases and non-corrosive Boxer primers. Hornady selects clean-burning, temperature-stable powders and precise charge weights to maintain consistent internal ballistics and minimize fouling—supporting dependable cycling in high-volume shooting scenarios.

This Frontier load delivers flat trajectories and reliable accuracy for general plinking, range training, and varmint control. Shooters routinely report 1 MOA or better accuracy in well-maintained rifles, making it suitable for sight-in drills, tactical work, and recreational use.

The 55gr bullet offers a sectional density of 0.157 and a ballistic coefficient of approximately 0.243, providing stable flight and predictable drop characteristics. Its design supports efficient energy transfer on impact, suitable for light game and steel target shooting applications.

Manufactured in the USA under Hornady’s Frontier quality protocols, each lot undergoes testing for velocity uniformity, cartridge dimensions, and primer seating. The Hornady 223 Rem 55gr FMJ Frontier Ammunition is non-corrosive, reloadable, and ready to perform right out of the box—making it a dependable choice for shooters seeking reliable, cost-effective performance.