Side-by-side price comparison with live market data
Looking for a deep dive? Read our full 9mm vs .357 Magnum comparison guide with ballistics, capacity, recoil, and use-case analysis.
| Metric | 9mm | .357 Magnum |
|---|---|---|
| Lowest Price | $0.108/rd | $0.329/rd |
| Midpoint (per product) | $0.494/rd | $1.20/rd |
| Range / practice midpoint | $0.298/rd | $0.599/rd |
| Defensive / premium midpoint | $0.830/rd | $1.20/rd |
| Highest Price | $3.00/rd | $2.85/rd |
| Products Tracked | 997 | 318 |
| Retailers | 21 | 20 |
Prices reflect 30-day observed in-stock data across tracked online retailers. Updated daily.
IronScout provides observed price and availability data for 9mm 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: 0.494, lowest: 0.108, highest: 2.998, sample size: 24673.
Lowest observed price in the trailing 7-day window: 0.116.
Prices last updated August 13, 2026 · 997 listings tracked across 21 retailers · 31 days with data in the 30-day window
SQL PERCENTILE_CONT over daily-best per-product-per-day observed in-stock prices
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: 1.198, lowest: 0.329, highest: 2.848, sample size: 7646.
Lowest observed price in the trailing 7-day window: 0.329.
Prices last updated August 13, 2026 · 318 listings tracked across 20 retailers · 31 days with data in the 30-day window
SQL PERCENTILE_CONT over daily-best per-product-per-day observed in-stock prices