HK HK's P30S features an ambidextrous safety lever mounted on both sides of the corrosion-proof fiber-reinforced polymer frame a Picatinny rail and the patented HK recoil reduction system. The extractor doubles as a loaded chamber indicator providing a tactile and visual reminder of a loaded chamber. Variant 3 has a DA/SA trigger with an ambidextrous safety/decocking button. This 40 S&W model comes with two (2) 10-round magazines.