.40 S&W Ammo Prices & Cost Per Round

Name: .40 S&W ammunition price history
Creator: Firearm Data Lab

Real-time price tracking across 5 retailers. Updated every 2 hours.

101

Products Tracked

$0.35/rd

Best CPR →

$0.42/rd

Range CPR

$17.69

Cheapest Box →

In Stock

2026-09-24

Last Updated

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Filter by grain weight: All 78gr 88gr 115gr 120gr 122gr 125gr 130gr 135gr 140gr 150gr 155gr 160gr 165gr 170gr 175gr 180gr 200gr 205gr Showing top 100 of 101 165gr products

.40 S&W by Use Case

Range / FMJ

42¢/rd

best: 35¢/rd
16 in-stock products

Self-Defense

123¢/rd

best: 47¢/rd
12 in-stock products

Track .40 S&W ammo cost per round in real time across 5 retailers. We're monitoring 101 .40 S&W products (29 priced offers with CPR data) with box prices starting at $17.69. The typical cost per round is $0.42, with the best deal at $0.35/round. Broken down by use case: Range / FMJ averages 42¢/rd and Self-Defense averages 123¢/rd. Prices are updated every 2 hours. Click any product to see its full price history and set a price drop alert.

Median .40 S&W cost per round on September 24, 2026: $0.42 across 29 in-stock listings tracked by Firearm Data Lab.

.40 S&W Ammo Buying Context

.40 S&W ammo searches often mix range FMJ, law-enforcement style defensive loads, and bulk handgun-ammo offers. This tracker focuses on live .40 S&W prices, cost per round, and stock status so shoppers can separate a real deal from a high-priced specialty load.

Use this page to compare .40 caliber ammo prices across retailers, then move through the related handgun hubs to benchmark .40 S&W against 9mm, .45, and 10mm.

.40 S&W Search Questions We Track

.40 S&W Ammo Prices

Compare current .40 S&W ammo listings by cost per round, stock status, and box size. This helps separate range FMJ pricing from defensive ammunition.

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.40 ammo prices
40 caliber ammunition

.40 S&W Cost Per Round History

.40 S&W Price by Month

Month	Median CPR	Lowest CPR	Change
September 2026	70.0¢/rd	18.4¢/rd	—
August 2026	70.0¢/rd	18.4¢/rd	—
July 2026	70.0¢/rd	18.4¢/rd	-4.1%
June 2026	73.0¢/rd	18.0¢/rd	+4.3%
May 2026	70.0¢/rd	18.0¢/rd	+1.5%
April 2026	69.0¢/rd	36.5¢/rd	—

Median and lowest observed cost per round per calendar month, from in-stock listings tracked across supported retailers.

Want the whole market instead of one caliber? The Ammo Price Index chains these monthly medians across a fixed 12-caliber basket into a single month-over-month benchmark.

Frequently Asked Questions

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

The best cost per round we're currently tracking for .40 S&W is $0.35/round. A typical CPR across 29 tracked offers is $0.42/round. Prices vary by brand, grain weight, and retailer.

Is .40 S&W ammo cheap right now?

The typical cost per round for .40 S&W is $0.42. Check our CPR trend chart above to see if current prices are above or below the 30-day average. Set a price alert to get notified when prices drop.

How do .40 S&W prices vary by use case?

.40 S&W ammo falls into different price tiers depending on intended use. Range / FMJ averages 42¢/rd (best deal 35¢/rd across 16 products). Self-Defense averages 123¢/rd (best deal 47¢/rd across 12 products).

Where can I find the cheapest .40 S&W ammo?

Based on our real-time tracking across 5 retailers, the cheapest .40 S&W ammo starting at $17.69/box. We compare prices from Bereli, Brownells, E-Commerce Arms, GrabAGun and more.

What makes .40 S&W ammo a good deal?

A good .40 S&W ammo deal depends on CPR, round count, bullet type, and stock status. Range ammunition and defensive hollow points should not be judged by box price alone.

Other Calibers

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