40 Cal (S&W) Ammo For Sale
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Federal 40 cal Ammo - 1000 Rounds of 165 Grain FMJ Ammunition
$359.9922 In stock now
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40 S&W - 180 gr FMJ - Federal American Eagle - 1000 Rounds
$424.9916 In stock now
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Federal 40 cal Ammo - 50 Rounds of 165 Grain FMJ Ammunition
$22.9977 In stock now
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Federal 40 cal Ammo - 50 Rounds of 180 Grain FMJ Ammunition
$25.2517 In stock now
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Federal 40 cal Ammo - 1000 Rounds of 165 Grain JHP Ammunition
$699.993 In stock now
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Federal Law Enforcement HST 40 S&W Ammo - 50 Rounds of 180 Grain JHP Ammunition
$39.9991 In stock now
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Federal 40 cal Ammo - 50 Rounds of 165 Grain HST JHP Ammunition
$39.99144 In stock now
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Federal 40 cal Ammo - 1000 Rounds of 165 Grain JHP Ammunition
$799.998 In stock now
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Federal Law Enforcement HST 40 S&W Ammo - 1000 Rounds of 180 Grain JHP Ammunition
$804.996 In stock now
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Federal Punch 40 S&W Ammo - 20 Rounds of 165 Grain JHP Ammunition
$21.9990 In stock now
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Barnes VOR-TX Handgun 40 S&W Ammo - 20 Rounds of 140 Grain XPB Ammunition
$22.99As low as $19.00 in bulk- $19.00 each if you buy 5 - save 17%
124 In stock now
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Barnes TAC-XPD 40 S&W Ammo - 20 Rounds of 140 Grain TAC-XP Ammunition
$26.9943 In stock now
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Federal 40 cal Ammo - 20 Rounds of 165 Grain JHP Ammunition
$27.9996 In stock now
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Federal 40 Cal Ammo - 20 Rounds of 180 Grain HST JHP Ammunition
$32.9950 In stock now
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History of 40 Cal (S&W) Ammo
The .40 S&W cartridge was developed to provide more stopping power than the 9mm Parabellum and better handling than the .45 ACP. A team from Smith & Wesson and Winchester achieved these goals, creating a rimless, 10x22mm round with a .40-inch (10mm) bullet weighing between 105 and 200 grains (gr). This cartridge offers enough stopping power for home defense and concealed carry while being manageable for shooters of various sizes.
What are the most popular .40 cal brands you sell?
You can filter our entire selection using the left sidebar to see which brands we currently have in-stock and available using the Manufacturers filter. You can also filter by attributes such as Bullet Type, Bullet Weight, Casing Type, and Primer Type to find what you need.
Best .40 Cal Ammo for Specific Uses
| Use Case | Details |
|---|---|
| Best .40 S&W Ammo | Best Overall: Hornady Critical Defense 165gr Runner Up: Winchester USA Ready Defense 170gr |
| Best .40 S&W Ammo for Self-Defense | Best Overall: Speer Gold Dot 165 gr JHP Runner Up: Winchester PDX1 Defender 165 gr JHP |
You can also check out our in-depth look at 40 Cal ballistics from all of the popular ammo manufacturers if you're in search of ballistics data for your favorite factory load.
Customer Reviews
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scot said:
after about 250 rounds no problems at all, will be getting some more soon.
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Doctor said:
See summary. Good quality overall.
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COACHC said:
Great ammo. No problems what so ever after firing 200 rounds. Good price and super quick ship.
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stephen said:
I liked the ammo
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KENNY said:
THE AMMO THAT I GOT WAS FAST AND AFFORDABLE AND WILL RECOMMEND YOUR SERVICE TO ANYONE
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Steve said:
Works good. No jams or misfires
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Paperbanger said:
Looking for some .40 cal you can feed your pistol with total confidence? Fill your magazines with the HST JHP from Federal! My Sig and I spent an afternoon punching holes with these, along with three other brands. We know there are some brands okay for range practice, because a misfeed or misfire doesn't matter much. But it was clear from the outset that if you carry, these are the guys you want to take with you. Never a misfeed or misfire, and accurate to a gnat's eyelash. I figure if it's my life and perhaps the lives of my loved ones on the line, I'll have enough to worry about without fighting the bad guys and my ammo problems at the same time.