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Cheapest .40 S&W Ammo In Stock - From $0.260/rd

Cheapest right now: $0.260/rd · Lower quartile: $0.400/rd · 21 retailers tracked

Last updated September 26, 2026

As of September 26, 2026, .40 S&W ammunition shows a median observed price of $0.580 per round across 21 tracked retailers, with most in-stock listings between $0.400 and $1.75 per round (30-day window, 13,067 daily-best observations across 504 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 $0.950 per round.

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

Lowest

$0.260/rd

Lower Quartile

$0.400/rd

a quarter price at or below

Midpoint

$0.580/rd

across products

Highest

$3.03/rd

Range / Practice Midpoint

$0.384/rd

FMJ-class loads

Defensive / Premium Midpoint

$0.950/rd

JHP, match, hunting

504 products tracked·21 retailers·31-day coverage

.40 S&W Price Per Round

MetricPrice Per RoundPer Box of 50
Lowest Observed$0.260$13.00
25th Percentile$0.400$20.00
Median$0.580$29.00
75th Percentile$1.15$57.48
Highest Observed$3.03$151.50

Based on 13067 observations over 31 days across 21 retailers · 504 products tracked

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Observed 30-day price distribution

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: 0.580, lowest: 0.260, highest: 3.030, sample size: 13067.

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

Prices last updated September 26, 2026 · 504 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.
View 504 tracked .40 S&W products →

How This Page Works

IronScout monitors .40 S&W prices across 21 online retailers and updates this page daily. Prices shown are observed in-stock prices — not cached or stale data. The “lowest” price reflects the lowest per-round price observed in the trailing 30-day window.

This page shows aggregate pricing data. To search specific products, use the .40 S&W search in the app.

Frequently Asked Questions

Where is the cheapest .40 S&W right now?
The lowest observed price for .40 S&W is $0.26/rd across 21 tracked retailers. IronScout monitors 504+ listings and updates prices daily. Check the current prices above for the latest data.
Is .40 S&W ammo in stock and for sale right now?
Yes. IronScout is currently tracking 504+ in-stock .40 S&W listings for sale across 21 online retailers, starting at $0.26/rd. Only in-stock offers are counted, and availability is refreshed daily. Compare the live listings above to find .40 S&W in stock today.
What is a good price for .40 S&W?
Over the past 30 days, the 25th-percentile observed price for .40 S&W is around $0.40/rd, with the cheapest in-stock listings near $0.26/rd. The midpoint across all listed products (premium defensive loads included) is $0.58/rd. IronScout reports observed market prices only and does not rate individual prices. Split by load type, range/practice .40 S&W runs about $0.38/rd at the midpoint while defensive/premium runs about $0.95/rd.
Is it cheaper to buy .40 S&W ammo in bulk?
Yes. Case quantities of 500–1,000 rounds typically save 10–25% over individual box pricing. Most online retailers offer free shipping above $99–$150, which further reduces the effective cost per round. Check IronScout's bulk ammo page for current bulk pricing on .40 S&W.
How often does IronScout update .40 S&W prices?
IronScout updates .40 S&W prices daily from tracked online retailers. This page reflects the most recent observation window. You can also set up free price alerts to be notified when .40 S&W prices drop to a level you specify.
Does IronScout include shipping in .40 S&W prices?
No. Prices shown are the advertised per-round cost before shipping. Shipping costs vary by retailer, order size, and destination. Many retailers offer free shipping above $99–$150. To minimize shipping impact, consider buying in bulk — a case of .40 S&W often qualifies for free shipping.

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