Hornady Frontier NATO FM193 Rifle Ammunition 5.56mm 55 gr FMJ 3240 fps 500/ct Case (25-20ct Boxes)Frontier Cartridge$290.24
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Frontier Cartridge
Hornady Frontier NATO rifle ammunition in .223 Rem offers a straightforward, reliable option for shooters who demand consistent performance without the premium price tag. This 500-round case ships in twenty-five 20-round boxes, each loaded with 55-grain full metal jacket (FMJ) bullets traveling at 3240 fps. Whether you're putting rounds downrange at the range, training with your AR-platform rifle, or running drills, Frontier ammunition delivers the quality you'd expect from Hornady's manufacturing pedigree at a practical price point for high-volume shooting.
Frontier Cartridge ammunition is built on the same reloading precision and quality control that Hornady is known for across the industry. Every round uses military-grade brass cases, boxer primers, and consistent propellant charges—the foundation of reliable, predictable ballistics shot after shot. That consistency matters whether you're sight-in work, defensive training, or simply burning through a case at your favorite range.
.223 Rem FMJ loads like this are the workhorse of AR-15 shooters and budget-conscious rifle enthusiasts. The 55-grain bullet weight is a standard that balances velocity, trajectory, and performance across a wide range of barrel lengths. The full metal jacket construction means less cleanup than hollow points and excellent barrier penetration—important considerations for training scenarios and general-purpose shooting. A 500-round case gives you the volume to practice and build muscle memory without the constant resupply runs.
| Caliber | .223 Rem |
| Bullet Weight | 55 gr |
| Bullet Type | Full Metal Jacket (FMJ) |
| Muzzle Velocity | 3240 fps |
| Case Type | Brass |
| Primer Type | Boxer |
| Case Quantity | 500 rounds (25 boxes of 20) |
| Manufacturer | Hornady / Frontier Cartridge |
Yes. Hornady Frontier .223 Rem ammunition is compatible with any rifle chambered in .223 Rem. The 55-grain bullet weight and FMJ construction are standard across modern AR-platform rifles and bolt-action .223 hunting rifles.
Yes. Frontier ammunition uses military-grade brass cases with boxer primers, which means the brass can be saved and reloaded after firing.
.223 Rem and 5.56 NATO use the same bullet diameter and case dimensions, but 5.56 NATO operates at higher chamber pressures. .223 ammunition can safely be fired in a 5.56 chamber, but 5.56 ammunition should only be used in rifles marked for 5.56 NATO. This product is .223 Rem specification.
We don't have the total case weight in our system. Contact us if you need that detail for shipping or storage planning.
Frontier Cartridge
Hornady Frontier NATO rifle ammunition in .223 Rem offers a straightforward, reliable option for shooters who demand consistent performance without the premium price tag. This 500-round case ships in twenty-five 20-round boxes, each loaded with 55-grain full metal jacket (FMJ) bullets traveling at 3240 fps. Whether you're putting rounds downrange at the range, training with your AR-platform rifle, or running drills, Frontier ammunition delivers the quality you'd expect from Hornady's manufacturing pedigree at a practical price point for high-volume shooting.
Frontier Cartridge ammunition is built on the same reloading precision and quality control that Hornady is known for across the industry. Every round uses military-grade brass cases, boxer primers, and consistent propellant charges—the foundation of reliable, predictable ballistics shot after shot. That consistency matters whether you're sight-in work, defensive training, or simply burning through a case at your favorite range.
.223 Rem FMJ loads like this are the workhorse of AR-15 shooters and budget-conscious rifle enthusiasts. The 55-grain bullet weight is a standard that balances velocity, trajectory, and performance across a wide range of barrel lengths. The full metal jacket construction means less cleanup than hollow points and excellent barrier penetration—important considerations for training scenarios and general-purpose shooting. A 500-round case gives you the volume to practice and build muscle memory without the constant resupply runs.
| Caliber | .223 Rem |
| Bullet Weight | 55 gr |
| Bullet Type | Full Metal Jacket (FMJ) |
| Muzzle Velocity | 3240 fps |
| Case Type | Brass |
| Primer Type | Boxer |
| Case Quantity | 500 rounds (25 boxes of 20) |
| Manufacturer | Hornady / Frontier Cartridge |
Yes. Hornady Frontier .223 Rem ammunition is compatible with any rifle chambered in .223 Rem. The 55-grain bullet weight and FMJ construction are standard across modern AR-platform rifles and bolt-action .223 hunting rifles.
Yes. Frontier ammunition uses military-grade brass cases with boxer primers, which means the brass can be saved and reloaded after firing.
.223 Rem and 5.56 NATO use the same bullet diameter and case dimensions, but 5.56 NATO operates at higher chamber pressures. .223 ammunition can safely be fired in a 5.56 chamber, but 5.56 ammunition should only be used in rifles marked for 5.56 NATO. This product is .223 Rem specification.
We don't have the total case weight in our system. Contact us if you need that detail for shipping or storage planning.