All of the breakthrough features of the original MCX-Rattler 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 ultimate control. The MCX-Rattler LT also has either a cold hammer forged 6 or 7 3/4 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. - 6.75in or 7.75in cold hammer forged barrel for ultra compact design - Fullly ambidextrous controls - Interchangable barrels now compatible with all LT barrels and handguards - SIG Flatblade match trigger - SIG SLX/SLH suppressor-ready flash hider - CALIBER 300 BLK - MAGS INCLUDED (1) 30rd Polymer Mag - MAG TYPE AR-15 - ACTION TYPE Semi-Auto - BARREL MATERIAL Cold Hammer Forged Carbon Steel - TRIGGER TYPE 2-Stage Match - TWIST RATE 1:5 - GRIP TYPE PDW - OVERALL LENGTH 16.5 in [419.1 mm] - OVERALL WIDTH 2.25 in [57.2 mm] - HEIGHT 7.4 in (187.2 mm) - ACCESSORY RAIL M1913 - OPERATING SYSTEM Short-Stroke-Piston - WEIGHT 5.1 lbs (2.3 kg)