The P229 Nitron in .40 S&W is the original P229 configuration, introduced specifically for the .40 S&W cartridge when the FBI and major police departments adopted it. The heavier P229 slide was engineered for .40 S&W pressure from the outset. Standard Nitron finish, polymer grips, DA/SA decocker. The most historically significant P229 variant as it defined the platform. Type: Pistol Action: DA/SA Caliber: .40 S&W Capacity: 12 Year introduced: 1991, USA Weight: 30.4 oz Overall length: 7.4" Status: Active Intended use: carry, duty