.40 S&W Ammo
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Original price $ 39.16 - Original price $ 39.16Original price $ 39.16$ 40.99$ 40.99 - $ 40.99Current price $ 40.99| /
Speer Lawman Training RHT .40 S&W 125 gr SinterFire Frangible 50 Per Box
Speer AmmoIn stockSpeer lawman is extremely reliable, with feel and point of aim that's as close as possible to comparable defense loads.Each load features reloadabl...
View full detailsOriginal price $ 39.16 - Original price $ 39.16Original price $ 39.16$ 40.99$ 40.99 - $ 40.99Current price $ 40.99| / -
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 $ 34.99| /Save 22% Save % -
Original price $ 38.67 - Original price $ 38.67Original price $ 38.67$ 38.99$ 38.99 - $ 38.99Current price $ 38.99| /
Federal BallistiClean Reduced Hazard Training .40 S&W 125 gr Lead-Free Frangible 50 Per Box
FederalIn stockFederal's ballisticlean is a non-toxic projectile that eliminates hazard of airborne lead and barrel fouling.Its patented toxic-metal free primer p...
View full detailsOriginal price $ 38.67 - Original price $ 38.67Original price $ 38.67$ 38.99$ 38.99 - $ 38.99Current price $ 38.99| / -
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 $ 30.99| /Save 12% Save % -
Original price $ 36.99 - Original price $ 36.99Original price$ 36.99$ 36.99 - $ 36.99Current price $ 36.99| /
CCI Blazer Clean-Fire .40 S&W Lead-Free 180 gr Total Metal Jacket (TMJ) 50 Per Box
CCIIn stockLike all blazer options, clean-fire offers reliable, accurate performance for target shooting.Clean up the range with this load's tmj bullet and cc...
View full detailsOriginal price $ 36.99 - Original price $ 36.99Original price$ 36.99$ 36.99 - $ 36.99Current price $ 36.99| / -
Original price $ 25.99 - Original price $ 25.99Original price$ 25.99$ 25.99 - $ 25.99Current price $ 25.99| /
Winchester Ammo Super Clean .40 S&W 120 gr Lead Free Full Metal Jacket 50 Per Box
Winchester AmmoIn stockSuper clean lead free ammunition is specially designed with a lead free and heavy metal free primer and a full metal jacket bullet with a zinc core...
View full detailsOriginal price $ 25.99 - Original price $ 25.99Original price$ 25.99$ 25.99 - $ 25.99Current price $ 25.99| / -
Original price $ 29.67 - Original price $ 29.67Original price $ 29.67$ 29.99$ 29.99 - $ 29.99Current price $ 29.99| /
Federal 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 $ 37.62 - Original price $ 37.62Original price $ 37.62$ 39.46$ 39.46 - $ 39.46Current price $ 39.46| /
Liberty Ammunition Civil Defense .40 S&W 60 gr Lead-Free Fragmenting HP (LFFHP) 20 Per Box
Liberty AmmunitionIn stockLiberty's patented lead-free high-performance ammunition combines a significantly flatter trajectory, immediate synchronous spin, optimization for ...
View full detailsOriginal price $ 37.62 - Original price $ 37.62Original price $ 37.62$ 39.46$ 39.46 - $ 39.46Current price $ 39.46| / -
Original price $ 40.77Original price $ 40.77 - Original price $ 40.77Original price $ 40.77Current price $ 34.99$ 34.99 - $ 34.99Current price $ 34.99| /
Magtech .40 S&W 180 gr Clean Range Fully Encapsulated Ammunition - 50 Round Box
MagtechIn stockThe magtech clean range line is manufactured using a non-toxic primer and fully encapsulated projectile to eliminate exposure to lead and heavy met...
View full detailsOriginal price $ 40.77Original price $ 40.77 - Original price $ 40.77Original price $ 40.77Current price $ 34.99$ 34.99 - $ 34.99Current price $ 34.99| /Save 14% Save % -
Original price $ 13.99 - Original price $ 13.99Original price$ 13.99$ 13.99 - $ 13.99Current price $ 13.99| /
Sinterfire Inc Special Duty (SD) .40 S&W 125 Gr Lead Free Frangible Hollow Point 20 Per Box
SINTERFIRE INCIn stockSinterfire ammunition is designed to increase safety and minimize the environmental concerns from lead.The ammunition is loaded with sinterfire pro...
View full detailsOriginal price $ 13.99 - Original price $ 13.99Original price$ 13.99$ 13.99 - $ 13.99Current price $ 13.99| / -
Original price $ 29.12Original price $ 29.12 - Original price $ 29.12Original price $ 29.12Current price $ 24.99$ 24.99 - $ 24.99Current price $ 24.99| /
SinterFire Inc Next Generation (NXG) .40 S&W 125 gr Lead Free Ball 50 Per Box
SINTERFIRE INCIn stockSinterfire ammunition is designed to increase safety and minimize the environmental concerns from lead.The ammunition is loaded with sinterfire pro...
View full detailsOriginal price $ 29.12Original price $ 29.12 - Original price $ 29.12Original price $ 29.12Current price $ 24.99$ 24.99 - $ 24.99Current price $ 24.99| /Save 14% Save % -
Original price $ 16.99 - Original price $ 16.99Original price$ 16.99$ 16.99 - $ 16.99Current price $ 16.99| /
1776 USA Lead Free Sporting 40 S&W 115 Gr Lead Free Ball 50 Per Box
1776 USAOut of stockProvides a low-cost lead-free solution for the sporting ammunition industry.This projectile is a sponge alloy of iron/copper core and wrapped in a ...
View full detailsOriginal price $ 16.99 - Original price $ 16.99Original price$ 16.99$ 16.99 - $ 16.99Current price $ 16.99| /Sold out -
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 $ 29.99| /Sold 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 $ 37.99| /Sold 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 $ 34.99| /Sold 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 $ 33.99| /Sold 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 $ 35.00| /Sold 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 $ 25.99| /Sold 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 $ 32.00| /Sold 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 $ 549.99| /Sold 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 $ 34.99| /Sold 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 $ 36.99| /Sold 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 $ 19.99| /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!