Sig Sauer RMCX-556N-7B-LT-SBR MCX Rattler LT 5.56x45mm NATO 7.75" 1:5" CHF Bbl Black Short Barrel Folding Rifle w/(1) 30rd Magazine & M-LOK Handguard (NFA)The Sig Sauer MCX Rattler LT 5.56x45mm NATO 7.75" 1:5" CHF Bbl Black Short Barrel Folding Rifle RMCX-556N-7B-LT-SBR is a cutting-edge short barrel rifle designed to meet the rigorous demands of modern tactical operations. Featuring a 7.75-inch cold hammer forged barrel with a 1:5 twist rate, this Sig Sauer RMCX-556N-7B-LT-SBR rifle offers exceptional accuracy and durability. The compact design is enhanced by a folding stock, making it highly portable and easy to maneuver in tight spaces. Equipped with an M-LOK handguard, the Sig Sauer MCX Rattler LT allows for versatile accessory attachment, accommodating various mission requirements..yellow-box p {font-size:16px}.special-tab {color: #FFFFFF}The Sig Sauer MCX SPEAR-LT represents the latest evolution in the esteemed MCX series. Building on the success of earlier models, it integrates the lightweight, modular design of the original MCX with the rugged durability of the MCX VIRTUS, resulting in a system that excels in lightness, strength, modularity, and accuracy. The Sig Sauer MCX SPEAR-LT features a handguard with two additional screws for enhanced rigidity and stability, allowing for more accessories without affecting the rifle’s aim or impact. The handguard is lighter and ergonomically designed, while the barrel, though lighter, has a slightly larger contour to enhance accuracy. It comes equipped with a QD Flash Hider and a proprietary Clutch-Lock system for suppressor attachment. Additional upgrades include a newly designed lower receiver with fully ambidextrous controls, similar to the M400’s bolt catch, and compatibility with standard MCX and MCX VIRTUS upper receivers. The rifle features the Matchlite Duo trigger but also supports AR15-style or other MCX triggers due to a firing pin latch in the bolt carrier. Notably, this version is chambered in 7.62x39, a first for the MCX line, with a new latch system designed to reliably cycle all types of 7.62x39 cartridges. Features of the Sig Sauer MCX SPEAR-LT: Handguard: Lightweight, ergonomics design. Features 2 additional screws for maximum rigidity, allowing more accessories to be added without effecting point-of-aim/point-of-impactBarrel: Lightweight, features a slightly larger contour for greater accuracy and a QD Flash Hider with Cluth-Lock design for use with a suppressorLower Receiver: Fully ambidextrous controls, compatible with standard MCX and MCX VIRTUS upper receiversTrigger: Matchlite Duo, firing pin latch in the bolt carrier allows an AR15 style trigger or any MCX trigger to be usedNew 7.62x39mm Chambering: Reengineered with new latch system, allowing the weapon to reliably cycle ANY type of 7.62x39 cartridge. Sig Sauer MCX Rattler LT 5.56x45mm NATO 7.75" 1:5" CHF Bbl Black Short Barrel Folding Rifle w/(1) 30rd Magazine & M-LOK Handguard (NFA)