The 10mm Auto cartridge remains popular among handgun users for greater power than 9mm while serving self-defense, hunting, and recreational shooting. Smith & Wesson and Winchester introduced .40 S&W in 1990 from a shortened reduced-power 10mm load after FBI agents struggled with recoil following 1989 adoption of 10mm. The cartridges share bullet diameter yet are not interchangeable, and makers warn against mixing them. Current production pistols include the Glock 20 Gen5 MOS, SIG P220 Legion, and Smith & Wesson M&P 2.0. The cartridge suits powerful defensive use in semi-automatic pistols plus stopping dangerous game on hunts or hikes.