SIG Sauer MCX Rattler-LT Pistol Features This .223 Rem / 5.56 NATO version of the MCX Rattler-LT runs a 7.75 chrome-lined cold hammer forged barrel with a 1-in-7 rate of twist tuned for the heavier bullet weights common in 5.56 NATO loads. The semi-auto action cycles smoothly and a SIG three prong flash hider manages muzzle signature though it is not Loctited at the factory and should be checked for tightness before firing. The SIG flatblade match trigger delivers a crisp consistent break that lets shooters place rounds with confidence. For competitive shooters and home defense users who want rifle caliber performance in a compact pistol this configuration delivers. Built on a black anodized alloy frame the Rattler-LT keeps weight to 6.1 lbs. while holding onto the durability SIG is known for. Fully ambidextrous controls including the safety selector put every function within reach for right and left handed shooters alike and the folding pivoting contour brace collapses the overall length from 26.3 down to 18.2 for compact storage or transport. The pistol ships with no factory sights giving shooters a clean platform to mount their preferred optic and it accepts the full lineup of MCX LT barrels and handguards for quick configuration changes. For hunters and professionals who need a platform that adapts to the mission at hand the interchangeable MCX LT system delivers real versatility. The MCX Rattler-LT carries forward SIG Sauer's reputation for building combat proven firearms that perform when it matters most distilling that engineering into a package small enough to transport yet capable enough for serious defensive training or sporting use. It ships with one 30 round magazine and is ready to run straight out of the box. For self-defense training and sport shooters looking for a proven 5.56 NATO pistol the SIG Sauer MCX Rattler-LT Pistol is for sale at GrabAGun. SIG Sauer MCX Rattler-LT Pistol Specifications Manufacturer: SIG Sauer Model: MCX Rattler-LT Pistol Family: MCX Series Type: Semi-Auto Pistol Item Group: Centerfire Tactical Semi-auto Pistols Action: Semi-Auto Caliber: .223 Rem / 5.56 NATO Capacity: 30 + 1 Included Magazines: 1 30rd Magazine Barrel Length: 7.75 Rate of Twist: 1-in-7 Overall Length: 26.3 Extended 18.2 Folded Stock/Grips: Folding Pivoting Contour Brace Finish: Black Anodized Finish Type: Black Material: Alloy Frame Weight: 6.1 lbs. Safety Features: Ambidextrous Safety Selector Trigger: SIG Flatblade Match Trigger Controls: Fully Ambidextrous Controls Muzzle Device: SIG Three Prong Flash Hider Not Loctited Check Tightness Before Firing Compatibility: Interchangeable with All MCX LT Barrels and Handguards Available At: GrabAGun