.40 S&W Ammo
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Original price $ 45.01Original price $ 45.01 - Original price $ 45.01Original price $ 45.01Current price $ 34.99$ 34.99 - $ 34.99Current price $ 34.99
Winchester Super-X .40 S&W 165 gr Winclean Brass Enclosed Base 50 Per box
Winchester AmmoIn stockSuper-x ammunition has provided exceptional quality and outstanding performance for all types of hunters and shooters who rely on its time-proven d...
View full detailsOriginal price $ 45.01Original price $ 45.01 - Original price $ 45.01Original price $ 45.01Current price $ 34.99$ 34.99 - $ 34.99Current price $ 34.99Save 22% -
Original price $ 35.28Original price $ 35.28 - Original price $ 35.28Original price $ 35.28Current price $ 30.99$ 30.99 - $ 30.99Current price $ 30.99
Federal American Eagle IRT Training .40 S&W 120 gr Lead-Free IRT 50 Per Box
FederalIn stockRange time has never been this clean.For years, american eagle indoor range training (irt) ammunition has helped shooters minimize lead at the firi...
View full detailsOriginal price $ 35.28Original price $ 35.28 - Original price $ 35.28Original price $ 35.28Current price $ 30.99$ 30.99 - $ 30.99Current price $ 30.99Save 12% -
Original price $ 29.67 - Original price $ 29.67Original price $ 29.67$ 29.99$ 29.99 - $ 29.99Current price $ 29.99Federal American Eagle Syntech Pistol Training .40 S&W 205 gr Total Syntech Jacket Flat Nose (TSF) 50 Per Box
FederalIn stockShooters who compete at the highest levels need ammunition built for the demands of their discipline.Syntech action pistol is specifically designed...
View full detailsOriginal price $ 29.67 - Original price $ 29.67Original price $ 29.67$ 29.99$ 29.99 - $ 29.99Current price $ 29.99 -
Original price $ 29.99 - Original price $ 29.99Original price$ 29.99$ 29.99 - $ 29.99Current price $ 29.99
DRT 40 S&W 115gr Lead Free Training Frangible NJFR Ammunition - 50 Round Box (New Product, Limited Supply)
DRTOut of stockThis product is a jacketless frangible. It is purely for training and not intended to be used as a self defense round. It is a non-lead projectil...
View full detailsOriginal price $ 29.99 - Original price $ 29.99Original price$ 29.99$ 29.99 - $ 29.99Current price $ 29.99Sold out -
Original price $ 37.99 - Original price $ 37.99Original price$ 37.99$ 37.99 - $ 37.99Current price $ 37.99
ICC .40 S&W 125gr Duty & Defense Hollow Point Ammunition - 50 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 $ 37.99 - Original price $ 37.99Original price$ 37.99$ 37.99 - $ 37.99Current price $ 37.99Sold 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 $ 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 $ 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
.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!