The Sig Sauer Pmcx Rattler Lt is a compact and lightweight semi-automatic pistol chambered in 5.56 NATO. This rimfire ammo is designed for concealed carry and features a 7.75-inch barrel. The pistol has a black anodized finish and measures 17.5 inches in length. It comes with a 30-round magazine and has a rate of twist of 1-in-7 inches. The Sig Sauer Pmcx Rattler Lt is an affordable option for those looking to purchase a reliable pistol, and it's currently on sale. With fast shipping, you can get your hands on this versatile firearm quickly. Product Features and Specifications: Action: semi-auto Barrel: 7.75" Finish: Black Anodize Length: 17.5" Caliber: 223 Rem | 5.56 NATO Capacity: 30 + 1 Magazine: 1 30 rd. Rate Of Twist: 1-in-7"