The SIG Sauer P220 Combat is designed to meet and exceed rigorous military standards. The P220 Combat performs like no other .45 ACP available. The P220 Combat also passes the military's 240-hour salt spray corrosion test. Outfitted with a true M1913 Picatinny rail, vertical front strap serrations, and SIGLITE night sights. This pistol features the military's Flat Dark Earth finish on its alloy frame and polymer grips. Internal parts and controls are finished for extreme corrosion resistance and reduced friction. The barrel is hard chromed and finished in Nitron, easily exceeding the military's accuracy requirements.