.40 S&W Ammo
Browse our selection of .40 S&W ammo engineered for law enforcement duty and personal defense. Developed jointly by Smith & Wesson and Winchester in 1990 to meet FBI specifications, the .40 S&W delivers more stopping power than 9mm with less recoil than 10mm Auto. Our inventory features Full Metal Jacket (FMJ) and FMJ Flat Nose rounds for range training, Jacketed Hollow Point (JHP) duty loads for defensive carry, and specialized designs including Hornady XTP Hollow Point and Brass Jacket Hollow Point for maximum expansion.
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We stock premium ammo from duty-proven manufacturers including Federal, Remington Ammunition, Winchester Ammo, and Speer Ammo. Available in popular bullet weights including 180 grain for maximum energy transfer, 165 grain for balanced performance, and 155 grain for reduced recoil, offered in boxes of 50, 20, and 100 rounds.
Trusted by law enforcement agencies nationwide and civilian carriers running Glock 22, Smith & Wesson M&P40, SIG P226, and other full-size duty pistols, Locke Arms delivers the handgun ammo professionals depend on when performance matters most.