The Sig Sauer Pmcx Rattler Lt is a compact and lightweight semi-automatic pistol designed for rimfire ammunition. Chambered in 5.56 NATO, this pistol features a 7.75-inch barrel and a black anodized finish. Weighing in at just under 17.5 inches in length, the Rattler Lt is perfect for concealed carry or home defense. With a 30-round magazine capacity, you'll have plenty of rounds on hand to take down targets. Fast shipping ensures you'll be ready to hit the range in no time. Key Benefits and Features: Action: semi-auto Barrel: 7.75" Caliber: 223 Rem | 5.56 NATO Capacity: 30 + 1 Length: 17.5" Rate Of Twist: 1-in-7"