What is the current .40 S&W ammo price per round?

As of September 2026, range/practice .40 S&W runs about $0.384/rd at the midpoint, across 20 tracked retailers. The cheapest observed listing is $0.260/rd. A quarter of listings price at or below $0.399/rd. Across all load types, including defensive and match, the midpoint is $0.556/rd. Prices are updated daily from 555+ product listings.

What is a good price per round for .40 S&W?

Over the past 30 days, range/practice .40 S&W runs about $0.384/rd at the midpoint, and the 25th-percentile observed price is $0.399/rd. Across all load types, including defensive and match, the midpoint is $0.556/rd. IronScout reports observed market prices only and does not rate individual prices.

Are .40 S&W ammo prices going up or down?

Based on 14640 price observations over 31 days, range/practice .40 S&W runs about $0.384/rd at the midpoint, and the cheapest observed price is $0.260/rd. Across all load types, including defensive and match, the midpoint is $0.556/rd. IronScout tracks observed prices — not predictions. Set up free price alerts to be notified of significant changes.

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.40 S&W Ammo Price Per Round — From $0.26/rd, September 2026

Name: .40 S&W Ammo Observed Pricing
Creator: IronScout
License: https://www.ironscout.ai/terms

Cheapest right now: $0.260/rd · Lower quartile: $0.399/rd · 20 retailers tracked

By load type: Range/practice $0.384/rd · Defensive/premium $0.840/rd

Last updated September 7, 2026

As of September 7, 2026, .40 S&W ammunition shows a median observed price of $0.556 per round across 20 tracked retailers, with most in-stock listings between $0.399 and $1.75 per round (30-day window, 14,640 daily-best observations across 555 products). By purpose, range/practice (FMJ-class) ammunition has a median of $0.384 per round and premium/defensive (JHP, hunting, match) has a median of $0.840 per round.

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

Cheapest Right Now

$0.260/rd

$12.99 per box of 50

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30-Day Price Summary

middle 50% (p25–p75)median7-day lowrange (low–high)

Metric	Price Per Round	Per Box of 50
Lowest Observed	$0.260	$12.99
25th Percentile	$0.399	$19.95
Median	$0.556	$27.80
75th Percentile	$1.10	$54.97
Highest Observed	$2.94	$146.88

Based on 14640 observations over 31 days across 20 retailers · 555 products tracked

Frequently Asked Questions

What is the current .40 S&W ammo price per round?: As of September 2026, range/practice .40 S&W runs about $0.384/rd at the midpoint, across 20 tracked retailers. The cheapest observed listing is $0.260/rd. A quarter of listings price at or below $0.399/rd. Across all load types, including defensive and match, the midpoint is $0.556/rd. Prices are updated daily from 555+ product listings.
What is a good price per round for .40 S&W?: Over the past 30 days, range/practice .40 S&W runs about $0.384/rd at the midpoint, and the 25th-percentile observed price is $0.399/rd. Across all load types, including defensive and match, the midpoint is $0.556/rd. IronScout reports observed market prices only and does not rate individual prices.
Are .40 S&W ammo prices going up or down?: Based on 14640 price observations over 31 days, range/practice .40 S&W runs about $0.384/rd at the midpoint, and the cheapest observed price is $0.260/rd. Across all load types, including defensive and match, the midpoint is $0.556/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 .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: 0.556, lowest: 0.260, highest: 2.938, sample size: 14640.

Lowest observed price in the trailing 7-day window: 0.260.

Prices last updated September 7, 2026 · 555 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.

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