This new Sig Sauer P250C pistol is a 2 barrel set. One barrel fires the .40S&W round and the other barrel is .357SIG. It has a 3 1/2" barrel with an overall black nitron finish. This semi-auto pistol has an under barrel rail, an ambidextrous slide release, and night sights. This pistol comes with three 13 round magazines, lube, lock, and hardcase.