.40 S&W Ammunition – .40 Smith & Wesson Ammo

40 SW Pistol Ammo

Find premium .40 S&W ammunition at Moriarti Armaments for AR-40 platforms, handguns, target shooting, competition, and personal defense. Also known as .40 Smith & Wesson, this cartridge remains a trusted choice for shooters seeking an excellent balance of power, accuracy, and controllable recoil. Whether you're training at the range, carrying for personal protection, or supplying your AR-40, you'll find quality .40 S&W ammo for virtually every shooting application. The .40 Smith & Wesson cartridge continues to be a popular option for modern sporting firearms, law enforcement, and enthusiasts who value proven ballistic performance in both handguns and AR-40 platforms.

Can I use .40 S&W ammunition in an AR-40 platform?

Yes. AR-40 platforms are specifically designed to chamber and fire .40 Smith & Wesson (.40 S&W) ammunition. Many models utilize Glock-pattern magazine-compatible lower receivers, providing reliable operation while combining the familiar ergonomics of the AR platform with the proven performance of the .40 S&W cartridge.