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Handgun

.357 Magnum Ammo Prices - From $0.28/rd

The king of revolver cartridges. Compare FMJ range ammo, JHP defense loads, and hard-cast hunting loads across tracked retailers.

Price range$0.35—$1.50/rd
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IronScout provides observed price and availability data for .357 Magnum ammo prices ammunition across tracked online retailers. Data reflects historical price observations and does not include purchase recommendations.

Observed 30-Day Price Range (Per Round): median: 1.450, lowest: 0.280, highest: 10.024, sample size: 2099.

Prices last updated March 28, 2026 · 127 listings tracked across 6 retailers

What Are the Current .357 Magnum Ammo Prices?

Product LineTypeGrainUse CaseTypical CPR
Magtech .357 MagFMJ158grRange / Training$0.35—0.48
Blazer Brass .357FMJ158grRange / Training$0.36—0.50
Federal American Eagle .357JSP158grRange / Training$0.38—0.52
Sellier & Bellot .357FMJ158grRange / Training$0.36—0.48
Federal HST .357JHP125grSelf-Defense$0.70—1.10
Speer Gold Dot .357JHP125grSelf-Defense / LE$0.65—1.00
Hornady Critical Defense .357FTX125grSelf-Defense$0.70—1.10
Federal Fusion .357Bonded SP158grHunting$0.70—1.00
Buffalo Bore .357Hard Cast180grHunting / Bear$1.00—1.50

What .357 Magnum Ammo Types Are Available?

How Much Does .357 Magnum Ammo Cost Per Round in 2026?

The .357 Magnum occupies a premium price tier among handgun cartridges — more expensive than 9mm, .40 S&W, and .45 ACP, but justified by significantly higher muzzle energy and versatility. This is the only mainstream handgun cartridge that doubles as a legitimate deer hunting round.

FMJ and JSP range ammo runs $0.35—0.52 per round for 158gr loads from Magtech, Blazer, and Sellier & Bellot. This is roughly 2x the cost of 9mm FMJ, which is why most .357 Magnum revolver owners practice with .38 Special — the parent cartridge that fits the same cylinder at roughly half the cost per round.

JHP defense loads run $0.55—1.10 per round in 125gr configurations. The 125gr .357 Magnum JHP is one of the most effective handgun self-defense loads ever produced — it held the top spot in one-shot-stop statistics for decades before modern 9mm JHP closed the gap. Speer Gold Dot 125gr Short Barrel is specifically tuned for snub-nose revolvers, where the .357 Mag generates brutal recoil but devastating terminal performance.

Hunting and heavy loads run $0.70—1.50/rd for hard-cast 158—180gr bullets. The .357 Mag is an effective deer cartridge inside 100 yards from a revolver and inside 150 yards from a lever-action rifle. Buffalo Bore and Underwood offer full-power hard-cast loads that exceed standard factory velocities for hunters and woods carry.

The .38 Special training trick: Every .357 Magnum revolver also fires .38 Special ammunition, which runs $0.20—0.35/rd for FMJ. This makes the .357 Magnum the most versatile revolver caliber — cheap .38 Special for practice, full-power .357 Mag for defense and carry. This is one of the strongest arguments for choosing .357 Mag over any other revolver caliber.

.357 Magnum vs .38 Special — Cost and Power Comparison

The .357 Magnum delivers roughly 50—75% more muzzle energy than .38 Special from the same barrel length. A 125gr .357 Mag at 1,450 fps produces ~580 ft-lbs versus ~260 ft-lbs for a 130gr .38 Special at 900 fps. The tradeoff is recoil: .357 Mag from a lightweight snub-nose is punishing. Many shooters carry .357 Mag revolvers loaded with .38 Special +P as a compromise — more power than standard .38, less recoil than full .357.

.357 Magnum Market Trends

The .357 Magnum market is stable with consistent demand from revolver enthusiasts, lever-action shooters, and hunters. The caliber saw renewed interest with the popularity of lever-action rifles from Henry, Marlin (post-Ruger revival), and Rossi. Pricing has been steady since 2024, with all major manufacturers maintaining full product lines.

.357 Magnum Ammo Brands — Federal, Hornady, Speer & More

  • Federal — American Eagle range loads, HST defense, and Fusion hunting. Comprehensive lineup.
  • Hornady — Critical Defense FTX and LEVERevolution for lever guns. Strong defensive and hunting options.
  • Speer — Gold Dot Short Barrel .357. Purpose-built for snub-nose revolvers.
  • Winchester — Super-X and PDX1. Classic revolver loads.
  • Magtech — Budget FMJ range ammo. Consistently among the cheapest brass-cased .357.
  • Sellier & Bellot — Czech-made FMJ and SP. Competitive range pricing.

Where to Buy .357 Magnum Ammo Online

Caliber Comparisons

  • 9mm vs .357 Magnum — Capacity vs per-round power, lever-action dimension, and the recoil reality

Related Calibers — .38 Special, .44 Mag, 9mm

  • .38 Special — Same case diameter, lower power, much cheaper to shoot. Fits in any .357 revolver.
  • .44 Magnum — Bigger bore, more energy, the step up for serious hunting and bear defense.
  • 9mm — The semi-auto alternative. Cheaper to shoot, higher capacity, dominant self-defense caliber.
  • 10mm Auto — Semi-auto power comparable to .357 Mag, with higher capacity.
  • .45 ACP — Classic big-bore semi-auto. Different platform, similar energy class.

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