.40 S&W Ammo
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Original price $ 23.67Original price $ 23.67 - Original price $ 23.67Original price $ 23.67Current price $ 21.99$ 21.99 - $ 21.99Current price $ 21.99| /
Hornady .40 S&W 180 gr American Gunner XTP Hollow Point Ammunition - 20 Round Box
HornadyIn stockAmerican gunner delivers across-the-board accuracy and superior ballistic performance.It is produced in smaller batches to hornady quality control ...
View full detailsOriginal price $ 23.67Original price $ 23.67 - Original price $ 23.67Original price $ 23.67Current price $ 21.99$ 21.99 - $ 21.99Current price $ 21.99| /Save 7% Save % -
Original price $ 32.19Original price $ 32.19 - Original price $ 32.19Original price $ 32.19Current price $ 30.99$ 30.99 - $ 30.99Current price $ 30.99| /
Hornady .40 S&W 165 gr Critical Defense Flex Tip eXpanding Ammunition - 20 Round Box
HornadyIn stockCritical defense was developed to provide the best performance for personal protection situations and is the ultimate choice for short-barreled, co...
View full detailsOriginal price $ 32.19Original price $ 32.19 - Original price $ 32.19Original price $ 32.19Current price $ 30.99$ 30.99 - $ 30.99Current price $ 30.99| /Save 4% Save % -
Original price $ 36.39Original price $ 36.39 - Original price $ 36.39Original price $ 36.39Current price $ 35.99$ 35.99 - $ 35.99Current price $ 35.99| /
Hornady .40 S&W 135 gr Handgun Hunter MonoFlex Ammunition - 20 Round Box
HornadyIn stockWhether you're bagging a bull, buck, or boar, handgun hunter is as rough and rugged as the game demands.Its deep penetration also makes it a great ...
View full detailsOriginal price $ 36.39Original price $ 36.39 - Original price $ 36.39Original price $ 36.39Current price $ 35.99$ 35.99 - $ 35.99Current price $ 35.99| /Save 1% Save % -
Original price $ 33.40Original price $ 33.40 - Original price $ 33.40Original price $ 33.40Current price $ 30.99$ 30.99 - $ 30.99Current price $ 30.99| /
Hornady Critical Duty Personal Defense .40 S&W 175 gr Hornady FlexLock (FL) 20 Per Box
HornadyIn stockCritical duty features a high-antimony lead core that is extremely tough and delivers controlled expansion.It also provides a more economical choic...
View full detailsOriginal price $ 33.40Original price $ 33.40 - Original price $ 33.40Original price $ 33.40Current price $ 30.99$ 30.99 - $ 30.99Current price $ 30.99| /Save 7% Save % -
Original price $ 27.36Original price $ 27.36 - Original price $ 27.36Original price $ 27.36Current price $ 24.99$ 24.99 - $ 24.99Current price $ 24.99| /
Hornady .40 S&W 180 gr Subsonic Hornady XTP Subsonic Ammunition - 20 Round Box
HornadyIn stockSubsonic handgun utilizes tried-and-true xtp bullets that expand reliably at subsonic velocities.Long grooves in its gilding metal jacket combine w...
View full detailsOriginal price $ 27.36Original price $ 27.36 - Original price $ 27.36Original price $ 27.36Current price $ 24.99$ 24.99 - $ 24.99Current price $ 24.99| /Save 9% Save % -
Original price $ 27.99Original price $ 27.99 - Original price $ 27.99Original price $ 27.99Current price $ 22.99$ 22.99 - $ 22.99Current price $ 22.99| /
Hornady .40 S&W 165gr Critical Defense FTX Ammunition - 20 Round Box
HornadyOut of stockHornady's Critical Defense ammunition is loaded in nickel-plated cases for increased visibility in low-light situations. Premium low flash propella...
View full detailsOriginal price $ 27.99Original price $ 27.99 - Original price $ 27.99Original price $ 27.99Current price $ 22.99$ 22.99 - $ 22.99Current price $ 22.99| /Sold out
.40 S&W Ammo
The .40 S&W cartridge traces its roots back to the 1990s when Smith & Wesson and Winchester combined efforts to produce a cartridge intended to fill the gap between the 9mm Luger and the .45 ACP. The .40 S&W was specifically built for law enforcement with the same bullet diameter as the 10mm (.400 inches) on a shortened case. Used widely as a side arm by law-enforcement agencies, the .40 Smith & Wesson cartridge is an effective and versatile round. It's a faster load then a .45 caliber bullet and heavier than a 9mm bullet. The bullet has very good penetrating power, and as a defensive weapon, can handle most tasks.
Browse through our selection to find the perfect box of .40 Smith and Wesson for your needs, here at Clark Armory!