.357 Magnum Ammo Price Graph & History Chart (2026)
Average .357 Magnum cost-per-round trend for the last 180 days. Sourced from 194 retailers and 1,328,383 product listings. Data last updated July 21, 2026.
.357 Magnum Price Graph
.357 Magnum average price per round is $0.52 and is up 4.0% for the last 180 days. .357 Magnum cost per round moved from $0.50 to $0.52.
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How to read this .357 Magnum chart
The graph shows average .357 Magnum price-per-round movement over the last 180 days. Green trend text means prices are dropping; red means prices are rising.
- Use the summary under the chart for the current average and 180-day change.
- Click shop to browse live .357 Magnum listings.
- Want the full methodology? Read our About Our Data page.
Frequently Asked Questions
What is the current average .357 Magnum cost per round?
As of July 21, 2026, the average .357 Magnum cost per round is $0.52. The chart on this page shows how that average has moved over the last 180 days.
How far back does this .357 Magnum ammo price history go?
This page shows the last 180 days of average .357 Magnum price-per-round data. For side-by-side comparisons across calibers, see our ammo prices graphs page.
How often is the .357 Magnum price chart updated?
Our .357 Magnum chart is updated at least daily, and usually more often as new retailer pricing data is available.
Where can I shop .357 Magnum ammo?
Use the shop link on this page to browse live .357 Magnum listings across retailers, sorted to help you compare current deals.