Side-by-side price comparison with live market data
Looking for a deep dive? Read our full 9mm vs .40 S&W comparison guide with ballistics, capacity, recoil, and use-case analysis.
| Metric | 9mm | .40 S&W |
|---|---|---|
| Lowest Price | $0.193/rd | $0.197/rd |
| Median Price | $1.000/rd | $1.145/rd |
| Highest Price | $7.084/rd | $7.000/rd |
| Products Tracked | 400 | 210 |
| Retailers | 6 | 6 |
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: 1.000, lowest: 0.193, highest: 7.084, sample size: 5647.
Prices last updated March 28, 2026 · 400 listings tracked across 6 retailers
IronScout provides observed price and availability data for .40 S&W 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: 1.145, lowest: 0.197, highest: 7.000, sample size: 3380.
Prices last updated March 28, 2026 · 210 listings tracked across 6 retailers