.357 SIG vs 9mm - Price, Recoil & Ballistics Compared

Side-by-side price comparison with live market data

Current Prices

Metric.357 SIG9mm
Lowest Price—$0.108/rd
Midpoint (per product)—$0.494/rd
Range / practice midpoint—$0.298/rd
Defensive / premium midpoint—$0.830/rd
Highest Price—$3.00/rd
Products Tracked—997
Retailers—21

Prices reflect 30-day observed in-stock data across tracked online retailers. Updated daily.

.357 SIG

IronScout provides observed price and availability data for .357 SIG ammo prices ammunition across tracked online retailers. Data reflects historical price observations and does not include purchase recommendations.

Market context is currently unavailable for this caliber.

Snapshot data will appear here once the next static update is published.

9mm

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

How we calculate this

SQL PERCENTILE_CONT over daily-best per-product-per-day observed in-stock prices

  • Daily-best is MIN(price_per_round) per (caliber, product, UTC day).
  • Only in-stock observations included.
  • Coverage varies by retailer and source.
Search .357 SIGSearch 9mm

Frequently Asked Questions

How do .357 SIG and 9mm midpoint prices compare?
Pricing varies by retailer and product type. Use IronScout to compare current prices across retailers.
Should I choose .357 SIG or 9mm?
The choice between .357 SIG and 9mm depends on your firearm, intended use, and budget. IronScout provides pricing and availability data to help inform your decision — not recommendations. Compare current prices for both calibers on IronScout.

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