Description
The Remington UMC .357 Magnum delivers the kind of straightforward, no-nonsense performance that's made this load a favorite for decades. Each round pairs a 125-grain Semi-Jacketed Hollow Point bullet with a muzzle velocity of 1450 fps, generating 584 ft-lbs of energy at the muzzle. That's serious .357 Magnum power in a package you can count on.
What separates UMC from cheaper ammo is the foundation: factory-fresh brass cases and clean-shooting Kleanbore primers that cycle reliably through your revolver. The semi-jacketed hollow point design balances expansion with penetration, making these rounds effective whether you're working steel targets at the range or preparing for personal defense. You'll notice the muzzle flash and noise with this load, especially from shorter barrels, but that's the signature of a hot, full-power magnum round.
Remington UMC .357 Magnum Quality You Can Count On
Remington has been making ammunition since 1816, and the UMC line carries decades of proven performance. These cartridges are loaded right here in the USA at Remington's facility in Lonoke, Arkansas, using the same quality components that professionals and serious practitioners have relied on for generations. The 100-round Value Pack format gives you enough ammunition for real training and practice without breaking the bank.
American-Made .357 Ammo Built for Real Use
This isn't boutique defensive ammo, and it doesn't need to be. What you're getting is a workhorse load that's equally at home on the range for high-volume practice or loaded in a defensive revolver. The semi-jacketed hollow point won't over-penetrate barriers like window glass or drywall, and it performs reliably across barrel lengths from snub-nose revolvers to full-size magnums. Reloadable brass cases mean you can get even more value from every box.
Key Specifications
- Caliber: .357 Magnum
- Bullet Weight: 125 grains
- Bullet Type: Semi-Jacketed Hollow Point (SJHP)
- Muzzle Velocity: 1450 feet per second
- Muzzle Energy: 584 foot-pounds
- Case Material: Brass
- Primer Type: Kleanbore (non-corrosive, Boxer)
- Rounds Per Box: 100
- Manufacturer: Remington (Lonoke, Arkansas, USA)
- Manufacturer Part Number: R23970
- UPC: 047700391403
- Case Configuration: 6 boxes of 100 rounds per case
What’s Included
- 100 rounds of .357 Magnum ammunition
Frequently Asked Questions
What makes the Remington UMC .357 Magnum different from standard practice ammo?
The UMC line uses factory-fresh brass and Kleanbore primers for consistent ignition, combined with a semi-jacketed hollow point bullet design instead of full metal jacket. This means better reliability and more versatility for both range practice and defensive use, while still delivering genuine value pricing.
Is the 125-grain SJHP suitable for self-defense?
Yes. The 125-grain semi-jacketed hollow point at 1450 fps is an established defensive load with good expansion characteristics and deep penetration. It's the classic .357 Magnum defensive configuration that law enforcement and civilians have trusted for decades, though for dedicated self-defense you might consider the premium defensive lines if budget allows.
Can I use this ammo in older or smaller .357 revolvers?
These are full-power magnum rounds. While they'll cycle in any .357 revolver, ultra-light alloy frames will experience significant recoil and you'll get noticeably more muzzle flash and noise from short barrels. If you have an older K-frame or small pocket revolver, medium-velocity loads might be more comfortable to shoot and easier on the gun.
Are the cases reloadable?
Yes. These rounds use quality brass casings with non-corrosive Boxer primers, making them fully reloadable. That means you can reload spent cases and reload them, getting even more value from your ammunition investment over time.





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