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.357 Magnum Ammo Price Per Round — From $0.33/rd, August 2026

Cheapest right now: $0.329/rd · Lower quartile: $0.680/rd · 20 retailers tracked

By load type: Range/practice $0.599/rd · Defensive/premium $1.20/rd

Last updated August 12, 2026

As of August 12, 2026, .357 Magnum ammunition shows a median observed price of $1.20 per round across 20 tracked retailers, with most in-stock listings between $0.680 and $2.10 per round (30-day window, 7,567 daily-best observations across 318 products). By purpose, range/practice (FMJ-class) ammunition has a median of $0.599 per round and premium/defensive (JHP, hunting, match) has a median of $1.20 per round.

Observed price data from tracked retailers, updated daily. How we measure this.

Cheapest Right Now

$0.329/rd

$16.45 per box of 50

30-Day Price Summary

middle 50% (p25–p75)median7-day lowrange (low–high)
MetricPrice Per RoundPer Box of 50
Lowest Observed$0.329$16.45
25th Percentile$0.680$33.99
Median$1.20$59.95
75th Percentile$1.58$79.25
Highest Observed$2.85$142.38

Based on 7567 observations over 31 days across 20 retailers · 318 products tracked

Frequently Asked Questions

What is the current .357 Magnum ammo price per round?
As of August 2026, range/practice .357 Magnum runs about $0.599/rd at the midpoint, across 20 tracked retailers. The cheapest observed listing is $0.329/rd. A quarter of listings price at or below $0.680/rd. Across all load types, including defensive and match, the midpoint is $1.20/rd. Prices are updated daily from 318+ product listings.
What is a good price per round for .357 Magnum?
Over the past 30 days, range/practice .357 Magnum runs about $0.599/rd at the midpoint, and the 25th-percentile observed price is $0.680/rd. Across all load types, including defensive and match, the midpoint is $1.20/rd. IronScout reports observed market prices only and does not rate individual prices.
Are .357 Magnum ammo prices going up or down?
Based on 7567 price observations over 31 days, range/practice .357 Magnum runs about $0.599/rd at the midpoint, and the cheapest observed price is $0.329/rd. Across all load types, including defensive and match, the midpoint is $1.20/rd. IronScout tracks observed prices — not predictions. Set up free price alerts to be notified of significant changes.

Data Methodology

IronScout collects observed in-stock prices from tracked online retailers daily. Price statistics are calculated using the daily-best observed price per product per day — meaning the lowest price seen for each distinct product on each calendar day.

  • Only in-stock products are included in calculations
  • Median and percentile values use SQL PERCENTILE_CONT over daily-best prices
  • Coverage varies by retailer and data source
  • Historical data is append-only and never modified after collection

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: 1.199, lowest: 0.329, highest: 2.848, sample size: 7567.

Lowest observed price in the trailing 7-day window: 0.329.

Prices last updated August 12, 2026 · 318 listings tracked across 20 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.

Related Pages

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