Corrosion proof fiber reinforced polymer frame. Polygonal bore profile for increased velocity, easier cleaning, and longer barrel life. Multiple trigger firing modes. Patented HK recoil reduction system. One piece machined slide made from nitro carburized steel. Corrosion resistant "hostile environment" blued finish. Picatinny rail for installing accessories. Ambidextrous magazine release levers and slide release. Patented lock out safety device. Lifetime warranty.

This firearm has three (3) 10 Round Magazines