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Hornady Frontier 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket 250th Anniversary Combo Pack - FR604
No customer reviews are posted yet for this Hornady Frontier 5.56x45mm NATO ammo, making it a fresh option for shooters to evaluate. Built with a 55 grain Full Metal Jacket bullet and rated at 3240 fps muzzle velocity, this Hornady 250th Anniversary Combo Pack is designed as target-friendly, non-steel-core ammunition from the Frontier Cartridge line.
Why Shooters Choose Hornady 5.56x45mm NATO
- 55 Grain FMJ Load: The Full Metal Jacket bullet is a common choice for range use because it feeds smoothly in many compatible firearms and supports straightforward target practice.
- 5.56x45mm NATO Chambering: This cartridge is intended for firearms chambered for 5.56x45mm NATO; always confirm your firearm marking and owner guidance before use.
- Brass Case Construction: Hornady lists brass cartridge cases for this load, a familiar case material valued by many shooters.
- Military-Grade Components: The Frontier Cartridge line uses military-grade boxer primers and propellant according to Hornady, supporting the design intent of this 5.56 NATO load.
- Non-Steel-Core Bullet: Hornady describes this as target-friendly, non-steel-core ammunition, which may matter at ranges with ammunition restrictions.
- Box of 250: The packaging is listed as a Box of 250, giving shooters a practical option for range sessions, training, or stocking up.
- Hornady Frontier Line: Made by Hornady, this FR604 load pairs Frontier Cartridge components with a classic FMJ bullet profile for a variety of shooting applications.
What Customers Say
No customer reviews are posted yet, so your feedback can help other shooters evaluate this Hornady Frontier load.
What is the muzzle velocity of Hornady 5.56x45mm NATO 55 grain Full Metal Jacket ammo?
The verified muzzle velocity is 3240 fps. Muzzle energy is listed as Not Provided in the available product specifications.
Is this Hornady Frontier load steel core?
Hornady describes this ammunition as non-steel-core. That detail can be helpful for shooters checking range rules before buying.
What bullet type does FR604 use?
FR604 uses a 55 grain Full Metal Jacket bullet. FMJ bullets are commonly used for target shooting and practice because they have a jacketed profile and are not designed around expansion.
What case and primer type are listed for this ammunition?
The case is brass. The primer is centerfire boxer, and Hornady also states that the Frontier Cartridge line uses military-grade boxer primers and propellant.
What is this Hornady 250th Anniversary Combo Pack best suited for?
Based on Hornady’s description, it is target-friendly ammunition made for a variety of shooting applications. It is a practical fit for range use in firearms compatible with 5.56x45mm NATO.
How is this packaged?
The verified packaging is a Box of 250. That gives shooters a convenient case-style option for training, practice, or keeping additional ammunition on hand.
About Hornady 5.56x45mm NATO
This Hornady ammo is built around a 55 grain Full Metal Jacket projectile, brass case, and centerfire boxer primer. The verified muzzle velocity is 3240 fps, while muzzle energy is not provided in the available specifications.
As 5.56x45mm NATO ammo, it fits a widely used rifle cartridge category for compatible platforms. FMJ bullets are generally selected for target shooting and training rather than bullet expansion, and Hornady identifies this load as non-steel-core and target-friendly.
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| Manufacturer |
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| Caliber |
5.56x45mm NATO |
| Bullet Type |
Full Metal Jacket |
| Grain |
62 |
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3060 fps |
| Muzzle Energy |
1289 ft lbs |
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| Manufacturer |
Hornady |
| Caliber |
5.56x45mm NATO |
| Bullet Type |
Full Metal Jacket |
| Grain |
55 |
| Muzzle Velocity |
3240 fps |
| Muzzle Energy |
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| Manufacturer |
Hornady |
| Caliber |
5.56x45mm NATO |
| Bullet Type |
Full Metal Jacket |
| Grain |
62 |
| Muzzle Velocity |
3060 fps |
| Muzzle Energy |
1289 ft lbs |
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| Manufacturer |
Hornady |
| Caliber |
5.56x45mm NATO |
| Bullet Type |
Full Metal Jacket |
| Grain |
55 |
| Muzzle Velocity |
3240 fps |
| Muzzle Energy |
1280 ft lbs |
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| Manufacturer |
Hornady |
| Caliber |
5.56x45mm NATO |
| Bullet Type |
Full Metal Jacket |
| Grain |
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| Muzzle Velocity |
3060 fps |
| Muzzle Energy |
1289 ft lbs |
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For shooters shopping the 5.56x45mm NATO category, this Hornady Frontier option offers a 55 grain FMJ load with brass cases and boxer primers. Add it to your Hornady lineup in a case-style purchase or bulk ammo plan when you want a target-friendly range load from a trusted brand.
| Field | Details |
| MPN | FR604 |
| UPC | 090255730586 |
| Manufacturer | Hornady |
| Platform | Rifle |
| Ammo Application | Training / Target |
| Ammo Type | Full Metal Jacket |
| Caliber | 5.56x45mm NATO |
| Grain Weight | 55 |
| Quantity Per Package | Box of 250 |
| Test Barrel Length | Not Provided |
| Muzzle Velocity | 3240 fps |
| Muzzle Energy | Not Provided |
| Ballistic Coefficient (G1) | Not Provided |
| Case Type | Brass |
| Primer Type | Centerfire / Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Lead Free | No |
| Staked Primer | No |
| Country of Origin | USA |
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