Description
Federal American Eagle .357 Magnum 158 Grain Jacketed Soft Point (JSP) Ammo
Dependable American-made .357 Magnum ammunition engineered for high-volume target training, range practice, and medium game hunting. Federal American Eagle 158gr JSP combines reloadable brass cases, non-corrosive Boxer primers, and clean-burning powders with a exposed-lead soft point for deep penetration and reliable performance.
Product Overview
Federal American Eagle .357 Magnum 158 grain ammo delivers trusted factory-loaded performance for handgun shooters, lever-action carbine enthusiasts, and hunters. Designed to match the feel and velocity of high-energy hunting and self-defense rounds, this load allows shooters to train realistically with full-power magnum dynamics.
Featuring a 158-grain Jacketed Soft Point (JSP) bullet, this round provides a balance of barrier-penetrating weight, structural integrity, and controlled expansion upon impact. Traveling at 1,240 fps out of a standard revolver barrel, it generates 539 ft-lbs of muzzle energy. Loaded in premium reloadable Federal brass cases with clean-burning propellants and reliable Boxer primers, it ensures consistent feeding and extraction session after session.
Technical Specifications
| Brand / Manufacturer | Federal Premium – American Eagle |
| Manufacturer Part # | AE357A |
| Caliber | .357 Magnum (.357 Mag) |
| Bullet Weight | 158 Grain |
| Bullet Type | Jacketed Soft Point (JSP) |
| Muzzle Velocity | 1,240 fps |
| Muzzle Energy | 539 ft-lbs |
| Ballistic Coefficient (G1) | 0.170 |
| Casing Material | Brass |
| Primer Type | Boxer, Non-Corrosive |
| Primary Use | Target Shooting, Range Practice, Hunting |
| Rounds per Box | 50 |
Ballistic Performance Data
| Distance | Velocity (fps) | Energy (ft-lbs) |
|---|---|---|
| Muzzle | 1,240 | 539 |
| 25 Yards | 1,187 | 494 |
| 50 Yards | 1,139 | 455 |
| 75 Yards | 1,098 | 423 |
| 100 Yards | 1,061 | 395 |
Muzzle data per manufacturer specifications measured using a 4-inch vented test barrel. Velocities from lever-action carbines or longer barrels will yield higher values.
Key Benefits
- Full-Power Magnum Performance: Loaded to full .357 Magnum specifications for realistic recoil control and sight alignment training.
- Jacketed Soft Point Design: Combines reliable copper jacket integrity with an exposed lead core for controlled expansion and target impact.
- Made in the USA: Manufactured in Anoka, Minnesota using stringent quality control for lot-to-lot reliability.
- Reloadable Brass Cases: High-grade Federal brass and non-corrosive Boxer primers ensure high reusability for handloaders.
Compatibility & Usage Notes
This ammunition is intended for firearms chambered in .357 Magnum that are in good working condition. It can also be fired safely in revolvers and lever-action carbines chambered in .357 Magnum. Do not attempt to chamber or fire .357 Magnum in firearms designated solely for .38 Special, as higher chamber pressures can cause firearm damage or severe personal injury. Store ammunition in a cool, dry place away from children and unauthorized users.
Frequently Asked Questions
Can I fire Federal American Eagle .357 Magnum in a .38 Special revolver?
No. The .357 Magnum casing is intentionally longer and loaded to significantly higher pressures than .38 Special. Firing .357 Magnum ammunition in a firearm chambered only for .38 Special is unsafe and will not chamber in proper cylinders.
Is Jacketed Soft Point (JSP) safe for lever-action carbine tube magazines?
Yes. Soft point bullets feature exposed lead tops that are blunt and soft enough to prevent primer deformation in tubular magazines under recoil, making them popular for .357 Mag lever rifles.
Is Federal American Eagle .357 Mag brass reloadable?
Yes. Federal uses premium reloadable brass cases and standard non-corrosive Boxer primers. Inspect cases for wear or stretching before handloading.
