When you need a .357 Magnum load that’s built for real-world results—not watered-down range performance—Buffalo Bore Ammunition Heavy “Strictly Business” .357 Mag 158gr Jacketed Hollow Point (JHP) delivers the kind of authority serious revolver shooters demand. This is a premium, performance-driven defensive and field load built around a classic 158-grain JHP and engineered to provide hard-hitting energy, dependable accuracy, and decisive terminal effect. Packaged 20 rounds per box and 12 boxes per case (240 rounds per case), this model is Item 19C20 (19C/20) with UPC 651815019239. Buffalo Bore+1
Heavy .357 Magnum “Strictly Business” performance you can feel
The .357 Magnum is one of the most respected defensive and field handgun cartridges ever made—but the load you choose determines whether you’re getting its full potential. Buffalo Bore’s Heavy Strictly Business line is designed to push performance where it matters: power, consistency, and real-world effectiveness from strong revolvers and lever guns.
This is the kind of load chosen by shooters who want:
Serious defensive capability in a capable .357 platform
A hard-hitting option for woods carry and outdoor use
A powerful, proven bullet weight with a modern defensive profile
158gr Jacketed Hollow Point: the proven .357 Magnum weight class
The 158-grain bullet weight is a long-standing favorite in .357 Magnum because it balances velocity, controllability, and on-target authority. Paired with a Jacketed Hollow Point, this load is built to deliver defensive-minded terminal performance while maintaining the penetration and energy .357 shooters expect.
If you’re searching for Buffalo Bore 19C20, .357 Magnum 158gr JHP, or 651815019239, this is the exact SKU match.
Published performance: 1,475 fps and 763 ft-lbs
Buffalo Bore’s 19C/20 loading is commonly listed at 1,475 fps muzzle velocity with 763 ft-lbs of muzzle energy—numbers that underline why this is considered a “Heavy” .357 Magnum load. Gold Coast Armory+1
That level of performance is part of what makes it attractive for shooters who carry a .357 specifically because they want capability that smaller defensive calibers can’t match.
Notes for lightweight revolvers
High-performance .357 loads can produce significant recoil, especially in ultra-light revolvers. Retailers commonly note this ammo is not recommended for super-light alloy revolvers—a practical consideration for comfort and control (and in some cases, bullet pull/crimp jump concerns). TLO Outdoors+1
For best results, this type of heavy load is typically paired with all-steel .357 revolvers or other robust platforms.
Ideal uses: defense, woods carry, and powerful revolver performance
This Buffalo Bore Heavy Strictly Business load is a strong fit for:
Personal protection when you want maximum revolver performance
Trail/woods carry where extra power provides confidence
Hunting backup or general field sidearm use
Shooters who want a premium .357 load for a serious purpose
(As always, confirm function and point of impact in your firearm before relying on any defensive ammunition.)
Case-pack convenience: 20 rounds per box / 12 boxes per case
Whether you’re building a carry rotation, setting aside consistent inventory, or stocking for field use, the packaging keeps it simple:
SEO-friendly product identifiers and specs
The bottom line
If you want a premium heavy .357 Magnum load that takes the cartridge seriously—built around the classic 158gr JHP and loaded for real authority—the Buffalo Bore Heavy Strictly Business 19C20 (651815019239) is designed to deliver. It’s a hard-hitting, purpose-built option for shooters who carry a .357 because they want a dependable, powerful tool—strictly business.
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