.40 S&W Ammo

.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!

Ammunition - Ruger .40 S&W ARX Ammunition

Ruger .40 S&W ARX Ammunition

$ 20.99

###NOTE: This Product has been rebranded as Inceptor ARX. Please find the new product here: Inceptor .40 S&W ARX Ammunition Ruger Self Defense ARX Ammunition combines PolyCase's innovative ARX bullets with the reliability of one of the most trusted firearms manufacturers around.  The performance of PolyCase's ARX bullet caught the eye...


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Ammunition - Liberty Civil Defense .40 S&W Ammunition

Liberty Civil Defense .40 S&W Ammunition

$ 22.31

Liberty Civil Defense .40 S&W ammunition features a nickel-plated, hollow point bullet traveling at high speed. The 60 grain lead-free bullet travels at 2,000 feet per second and is designed to transfer maximum energy on impact.  Liberty's Civil Defense Ammo is a great personal protection/self defense round when over-penetration is a concern...


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Ammunition - Lehigh Defense .40 S&W Maximum Expansion Ammunition

Lehigh Defense .40 S&W Maximum Expansion Ammunition

$ 38.00

Lehigh Defense .40 S&W Maximum Expansion Ammunition is machined from 100% solid bar stock copper and perfect for causing maximum damage on impact.  The projectile is one piece of copper machined into a hollow point design that is suppressor safe and expands upon impact.  This copper hollow point design provides a high level of expansion wit...


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Ammunition - OATH .40 S&W Halo Ammunition

OATH .40 S&W Halo Ammunition

$ 13.00

OATH (Operators American Tactical Hardware) Halo Match Grade Ammunition is made for the competitor.  Each Halo projectile is machined to precision from a solid copper rod ensuring an exceptional level of consistency round to round.   This is loaded ammunition.   Specs: Caliber: .40 S&W Weight: 165 gr. Bullet: Solid Copper Velocity: 1100 fp...


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Ammunition - Lehigh Defense .40 S&W Controlled Fracturing Ammunition

Lehigh Defense .40 S&W Controlled Fracturing Ammunition

$ 30.00

Lehigh Defense .40 S&W Controlled Fracturing Ammunition is machined from 100% solid bar stock copper and perfect for causing maximum damage on impact.  The projectile is one piece of copper machined into a base and three fracturing "wings."  This one metal, two-part design means that upon impact, the wings break off of the base and penetra...

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Ammunition - Team Never Quit .40 S&W Self Defense Hollow Point Ammunition

Team Never Quit .40 S&W Self Defense Hollow Point Ammunition

$ 20.00

Team Never Quit (TNQ) Self Defense Hollow Point Ammo doesn't pretend to be anything more than it is, a solid copper, deep penetrating hollow point.  Just like other TNQ products, these rounds were developed with input from Marcus Luttrell and some of his operator buddies regarding what they wanted in their self defense ammo.  When you buy TNQ pr...


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Ammunition - Team Never Quit .40 S&W Frangible Hollow Point Ammunition

Team Never Quit .40 S&W Frangible Hollow Point Ammunition

$ 10.00

Team Never Quit (TNQ) Frangible Hollow Point Ammo is tailor built to hit a target at high speed, immediately deliver all its energy and reduce the risk of ricochet.  TNQ developed these rounds with Marcus Luttrell to embody his, and other operators' theme, of training like you fight.  Loaded with SinterFire projectiles, these rounds mimic the fu...


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Underwood 40 S&W 140 Grain Maximum Expansion

Underwood 40 S&W 140 Grain Maximum Expansion

$ 29.95

Lehigh's Maximum Expansion™ Technology is used to produce projectiles that create the largest wound channels of any bullet you can buy. These cavernous hollow points are designed to expand upon contact with a fluid-based medium through hydraulic energy. They do not expand on dry mediums like wood, drywall, bone, or sheet metal. The expansion pro...


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Ammunition - PolyCase Inceptor .40 S&W Sport Utility RNP Ammunition

PolyCase Inceptor .40 S&W Sport Utility RNP Ammunition

$ 21.99

PolyCase's Sport Utility Ammo is the reinvention of their original Inceptor RNP/TNP line. PolyCase has taken a second look at the specifications of their standard line and revamped their bullet weight, velocity and price to make an ideal "plinking" round. Just like the original RNP/TNPs, the Sport Utility rounds shoot and cycle similarly to Poly...


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Projectiles - Lehigh Defense .400 Cal (10mm, .40 S&W) Xtreme Penetrator Bullets

Lehigh Defense .400 Cal (10mm, .40 S&W) Xtreme Penetrator Bullets

$ 40.00

Lehigh Defense .400 Cal (10mm) Xtreme Penetrator Bullets are the projectiles that have rocketed Lehigh's Xtreme Penetrator Ammunition to great heights.  Featuring a 100% solid copper construction and patent-pending CNC design Xtreme Penetrators are now available for you reload to personal specifications.   This is NOT loaded ammunition. Specs:...


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Ammunition - Cor-Bon .40 S&W DPX Ammunition

Cor-Bon .40 S&W DPX Ammunition

$ 40.00

Cor-Bon DPX® Handgun ammunition is one of the premier choices in today's defensive ammunition market. The DPX is a 100% copper “Barrier blind” round.  That means it performs outstandingly well after penetrating a heavy barrier like auto glass or steel.  In place of traditional external serrations, internal serration cuts have been added. These i...


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Ammunition - Team Never Quit .40 S&W Green Frangible Training Ammunition

Team Never Quit .40 S&W Green Frangible Training Ammunition

$ 38.61

Team Never Quit (TNQ) Green Frangible Training Ammo is designed to disintegrate on impact with steel minimizing the risk of ricochet with the added benefits of lead-free primers.  TNQ developed these rounds with Marcus Luttrell to embody his, and other operators' theme, of training like you fight.  These training rounds function just like FMJ r...

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