Description
The Magtech 357 Magnum 158 Grain SJSP sits in a sweet spot for folks who want a versatile load that works across different shooting scenarios. With 1235 fps muzzle velocity and 535 ft-lbs of energy, this isn't some hot-rod magnum round, but that's actually a strength. The measured recoil means faster follow-up shots and better control whether you're shooting a revolver or lever-action rifle.
Semi-Jacketed Soft Point Design
The SJSP bullet features an exposed lead tip with a partial copper jacket that works in tandem to deliver controlled expansion. Unlike hollow points, the flat-nose profile expands predictably while still maintaining the penetration needed for medium game or practical applications where you need solid terminal performance. The design lets you use this load in settings where others can't, making it genuinely useful beyond just range practice.
Built for Consistency
Magtech manufactures their own primers, powder, brass, and projectiles at their facility in Brazil, giving them direct control over quality at every step. You get brass cases with Boxer primers that are reloadable, so folks who hand-load can stretch their value even further. Across multiple boxes, users report consistent feeding, reliable extraction, and no surprises from round to round.
Practical Velocity for Better Shooting
The 1235 fps velocity is moderate for a magnum load, which pays dividends. That manageable recoil lets you stay on target and make quick follow-ups without fighting the gun. Hunters mention this load handles medium game cleanly, and for range work, the softer recoil means you'll shoot more accurately and with less fatigue during longer sessions. The 158-grain bullet weight gives you enough mass to deliver real stopping power while keeping recoil in the realm of actually manageable.
Key Specifications
- Caliber: .357 Magnum
- Bullet Weight: 158 Grains
- Bullet Type: Semi-Jacketed Soft Point Flat (SJSP)
- Rounds per Box: 50
- Muzzle Velocity: 1235 fps
- Muzzle Energy: 535 ft-lbs
- Case Material: Brass
- Primer Type: Boxer – Small Magnum Pistol Primer
- Ballistic Coefficient: 0.172
- Corrosive: No
- Reloadable: Yes
- Manufacturer: Magtech Ammunition
- Manufacturer Part Number: 357A
- UPC: 754908110018
What’s Included
- 50 rounds of .357 Magnum ammunition
Frequently Asked Questions
Can I reload these Magtech 357 Magnum cases?
Yes. Magtech uses Boxer primers and brass cases specifically designed to be reloadable, so you can save your empties and hand-load them. This works great if you're already set up for reloading and want to stretch your budget further.
What's the difference between the SJSP flat nose and other 357 designs?
The semi-jacketed soft point with flat nose design expands reliably on impact while holding together for good penetration. Unlike hollow points, the flat nose works in more jurisdictions. The partial jacket and exposed lead tip balance expansion control with the stopping power you need from a magnum round.
Does this load work in both revolvers and lever-action rifles?
Yes. The SJSP flat-nose design cycles reliably in both platforms. Many users report excellent performance from 6-inch revolvers and lever guns alike. The moderate 1235 fps velocity keeps recoil manageable across both gun types.
Is this a good choice for hunting with a revolver?
For small to medium game up to about 100 pounds, this load is solid. The semi-jacketed soft point expands on impact and maintains good penetration. The recoil is stout but manageable, letting you make follow-up shots if needed. Users report clean kills on coyotes, hogs, and similar game.







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