.40 S&W Ammo
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Original price $ 18.99 - Original price $ 18.99Original price$ 18.99$ 18.99 - $ 18.99Current price $ 18.99
Barnaul .40 S&W 165gr Polycoated Steel Case Ammunition - 50 Round Box (New Product)
BarnaulOut of stockDeveloped for the FBI in the 1990's as a reduced power 10mm, .40S&W fits as a bridge between the capability of 9mm and the size of .45Auto. The...
View full detailsOriginal price $ 18.99 - Original price $ 18.99Original price$ 18.99$ 18.99 - $ 18.99Current price $ 18.99Sold out -
Original price $ 41.99Original price $ 41.99 - Original price $ 41.99Original price $ 41.99Current price $ 34.99$ 34.99 - $ 34.99Current price $ 34.99
Underwood .40 S&W 115gr. Xtreme Defender Solid Monolithic Hunting & Self Defense Ammunition - 20 Round Box
UnderwoodOut of stockThe Xtreme Defender is based on the Xtreme Defense Fluid Transfer Monolithic (FTM®) family of projectiles. The EXD projectile has optimized flute g...
View full detailsOriginal price $ 41.99Original price $ 41.99 - Original price $ 41.99Original price $ 41.99Current price $ 34.99$ 34.99 - $ 34.99Current price $ 34.99Sold out -
Original price $ 42.99Original price $ 42.99 - Original price $ 42.99Original price $ 42.99Current price $ 33.99$ 33.99 - $ 33.99Current price $ 33.99
Underwood .40 S&W 100gr. Xtreme Defender Solid Monolithic Hunting & Self Defense Ammunition - 20 Round Box
UnderwoodOut of stockThe Xtreme Defender is based on the Xtreme Defense Fluid Transfer Monolithic (FTM®) family of projectiles. The EXD projectile has optimized flute g...
View full detailsOriginal price $ 42.99Original price $ 42.99 - Original price $ 42.99Original price $ 42.99Current price $ 33.99$ 33.99 - $ 33.99Current price $ 33.99Sold out -
Original price $ 23.99 - Original price $ 23.99Original price$ 23.99$ 23.99 - $ 23.99Current price $ 23.99
DRT .40 S&W 180gr Total Metal Jacket Ammunition - 50 Round Box
DRTOut of stockDynamic Research Technologies .40 Smith & Wesson 180 Grain Total Metal Jacket Ammunition Brass: New Primer: Boxer Projectile: Total Metal Ca...
View full detailsOriginal price $ 23.99 - Original price $ 23.99Original price$ 23.99$ 23.99 - $ 23.99Current price $ 23.99Sold out -
Original price $ 27.99 - Original price $ 27.99Original price$ 27.99$ 27.99 - $ 27.99Current price $ 27.99
Underwood .40 S&W 140gr. Maximum Expansion® Solid Monolithic Hunting & Self Defense Ammunition - 20 Round Box
UnderwoodOut of stockLehigh's Maximum Expansion™ Technology is used to produce projectiles that create the largest wound channels of any bullet you can buy. These caver...
View full detailsOriginal price $ 27.99 - Original price $ 27.99Original price$ 27.99$ 27.99 - $ 27.99Current price $ 27.99Sold out -
Original price $ 35.00 - Original price $ 35.00Original price$ 35.00$ 35.00 - $ 35.00Current price $ 35.00
Cutting Edge Bullets .40 S&W Personal Home Defense Ammunition
Cutting Edge BulletsOut of stockCutting Edge Bullets .40 S&W Personal Home Defense (PHD) Ammunition is an excellent choice for personal protection. PHD ammunition is loaded w...
View full detailsOriginal price $ 35.00 - Original price $ 35.00Original price$ 35.00$ 35.00 - $ 35.00Current price $ 35.00Sold out -
Original price $ 21.99 - Original price $ 21.99Original price$ 21.99$ 21.99 - $ 21.99Current price $ 21.99
Inceptor .40 S&W Sport Utility RNP Ammunition
InceptorOut of stockInceptor's Sport Utility Ammo is the reinvention of their original Inceptor RNP/TNP line. Inceptor has taken a second look at the specifications of...
View full detailsOriginal price $ 21.99 - Original price $ 21.99Original price$ 21.99$ 21.99 - $ 21.99Current price $ 21.99Sold out -
Original price $ 31.99 - Original price $ 31.99Original price$ 31.99$ 31.99 - $ 31.99Current price $ 31.99
Inceptor .40 S&W ARX Ammunition - 20 Round Box
InceptorOut of stockThe .40 S&W Inceptor ARX® is a revolutionary bullet in every sense of the word. From the way it’s manufactured, to its shape, to the way it ...
View full detailsOriginal price $ 31.99 - Original price $ 31.99Original price$ 31.99$ 31.99 - $ 31.99Current price $ 31.99Sold out -
Original price $ 31.99 - Original price $ 31.99Original price$ 31.99$ 31.99 - $ 31.99Current price $ 31.99
Clark Armory .40 S&W 97gr RNP Training Ammunition - 50 Round Box
Clark ArmoryOut of stockThe Clark Armory RNP bullet technology is an injection-molded, polymer-copper projectile that rivals any competition-level target shooting bullet. ...
View full detailsOriginal price $ 31.99 - Original price $ 31.99Original price$ 31.99$ 31.99 - $ 31.99Current price $ 31.99Sold out -
Original price $ 25.99 - Original price $ 25.99Original price$ 25.99$ 25.99 - $ 25.99Current price $ 25.99
SinterFire .40 S&W 125gr Reduced Hazard Ammunition (RHA) - 50 Round Box
SinterFireOut of stockSinterFire .40 S&W Reduced Hazard Ammunition utilizes a lead-free, high performance bullet with a standard primer. Features SinterFire's indus...
View full detailsOriginal price $ 25.99 - Original price $ 25.99Original price$ 25.99$ 25.99 - $ 25.99Current price $ 25.99Sold out -
Original price $ 32.00 - Original price $ 32.00Original price$ 32.00$ 32.00 - $ 32.00Current price $ 32.00
TB Ammunition: 40 S&W GPM ft. Quadra-Shock™ Technology
TB AmmunitionOut of stockAnnouncing the new lead-free, high-performance GPM Quadra-Shock™ ammunition! GPM Quadra-Shock™ offers all the performance of existing non-frangible...
View full detailsOriginal price $ 32.00 - Original price $ 32.00Original price$ 32.00$ 32.00 - $ 32.00Current price $ 32.00Sold out -
Original price $ 549.99 - Original price $ 549.99Original price$ 549.99$ 549.99 - $ 549.99Current price $ 549.99
SinterFire .40 S&W 125gr Reduced Hazard Ammunition (RHA) - 1,000 Round Bulk Pack
SinterFireOut of stockSinterFire .40 S&W Reduced Hazard Ammunition utilizes a lead-free, high performance bullet with a standard primer. Features SinterFire's indus...
View full detailsOriginal price $ 549.99 - Original price $ 549.99Original price$ 549.99$ 549.99 - $ 549.99Current price $ 549.99Sold out -
Original price $ 34.99 - Original price $ 34.99Original price$ 34.99$ 34.99 - $ 34.99Current price $ 34.99
ICC .40 S&W 125gr Green Elite Training Copper-Tin Ammunition - 50 Round Box
ICCOut of stockThis frangible 100% lead free round has been designed for use on an indoor range or Close Quarters training environment. It is produced using all n...
View full detailsOriginal price $ 34.99 - Original price $ 34.99Original price$ 34.99$ 34.99 - $ 34.99Current price $ 34.99Sold out -
Original price $ 36.99 - Original price $ 36.99Original price$ 36.99$ 36.99 - $ 36.99Current price $ 36.99
ICC .40 S&W 125gr Gold Elite Training Copper-Tin Ammunition - 50 Round Box
ICCOut of stockThis frangible 100% lead free round has been designed for use on an indoor range or Close Quarters training environment. It is produced using all n...
View full detailsOriginal price $ 36.99 - Original price $ 36.99Original price$ 36.99$ 36.99 - $ 36.99Current price $ 36.99Sold out -
Original price $ 19.99 - Original price $ 19.99Original price$ 19.99$ 19.99 - $ 19.99Current price $ 19.99
ICC .40 S&W Duty & Defense Ammunition - 20 Round Box
ICCOut of stockICC Duty & Defense Ammunition meets and exceeds the FBI protocol. Upon impact, it is designed to deliver the maximum payload possible in a 360 ...
View full detailsOriginal price $ 19.99 - Original price $ 19.99Original price$ 19.99$ 19.99 - $ 19.99Current price $ 19.99Sold out -
Original price $ 12.99 - Original price $ 12.99Original price$ 12.99$ 12.99 - $ 12.99Current price $ 12.99
DRT .40 S&W 105gr Terminal Shock Hollow Point Ammunition - 20 Round Box
DRTOut of stockDynamic Research Technologies' .40 S&W Terminal Shock Ammo's light 105 grain bullet ensures quicker follow up shots due to light recoil without...
View full detailsOriginal price $ 12.99 - Original price $ 12.99Original price$ 12.99$ 12.99 - $ 12.99Current price $ 12.99Sold 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!