.40 S&W Ammo Price Tracker
Real-time price tracking across 4 retailers. Updated every 2 hours.
Track .40 S&W ammo cost per round in real time across 4 retailers. We're monitoring 50 .40 S&W products (23 priced offers with CPR data) with box prices starting at $16.99. The typical cost per round is $0.38, with the best deal at $0.34/round. Prices are updated every 2 hours. Click any product to see its full price history and set a price drop alert.
.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 ACP, and 10mm.
.40 S&W Median Cost Per Round
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 $0.34/round. A typical CPR across 23 tracked offers is $0.38/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 $0.38. 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.
Where can I find the cheapest .40 S&W ammo?
Based on our real-time tracking across 4 retailers, the cheapest .40 S&W ammo starting at $16.99/box. We compare prices from Bereli, Brownells, GrabAGun, Palmetto State Armory 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
All .40 S&W Ammo — Lowest CPR First
