Sig Sauer MCX, Rattler LT, Semi-automatic Pistol, 7.62X39, 7.75 Barrel, SIG QRD Flash Hider, Anodized Finish, Black, Ambidextrous Controls, M-LOK Handguard, 28 Rounds, 1 Magazine PMCX-762R-7B-LT All of the breakthrough features of the original MCX-Rattler are now in a more modular, more capable package. Designed to meet the needs of Special Operations forces, the MCX-Rattler LT features fully ambidextrous controls, including an ambidextrous bolt-catch, bolt-release, an adjustable gas piston for suppressed and unsuppressed use, and is fitted with the SIG QD suppressor-ready flash hider and a flat-blade trigger for optimal control. The MCX-Rattler LT also has either a cold hammer-forged 6- or 7 3/4-inch barrel and is now fully compatible with all MCX barrels and handguards, making it the ultimate modular package. Available in 300 blackout, 5.56 NATO, as well as 7.62x39 calibers.