Utilizing Cerakote Gen II IR Coating and SIG SAUER’s Tele-fold stock design the MCX-SPEAR LT IR offers reduced visibility under thermal or night view use while protecting the longevity of your firearm. The Cerakote Gen II IR Coating offers superior wear and corrosion resistance against adverse conditions enhancing the reliability of the rifle. The IR Series delivers the performance that has allowed the MCX to receive the nod from Special Forces Groups from around the world and reliability that makes it a SIG SAUER. – SIG MCX-SPEAR LT IR FEATURES: – Reduced IR Signature Gen II FDE Cerakote. – Lightweight Ergonomic Handguard – SIG Flatblade Match Trigger – Fully Ambidextrous Controls – Interchangeable Barrels – Rocksett® SIG QD Suppressor-Ready Flash Hider – CALIBER 5.56 NATO – BARREL LENGTH 11.5 in [292.1 mm] – BARREL MATERIAL Cold Hammer Forged Carbon Steel – TWIST RATE 1:7 – THREADS 1/2 in-28 tpi – ACTION TYPE Semi-Auto – OPERATING SYSTEM Gas Piston – STOCK TYPE PCB – GRIP TYPE Polymer – TRIGGER TYPE SIG Flat Blade Match – TRIGGER SHAPE Flat – FOREND TYPE Alloy – ACCESSORY RAIL M-LOK – MAG TYPE AR-15 – MAGS INCLUDED (1) 10rd Polymer Mag – RECEIVER FINISH Gen II NiR FDE Cerakote – OVERALL LENGTH 29.75 in – FOLDED LENGTH26.25 in – OVERALL WIDTH 2.9 in (73.7 mm) – HEIGHT 7.5 in (190.5 mm) – WEIGHT 6.68 lb w/Magazine – FORWARD ASSIST Yes – ADJUSTABLE GAS SYSTEM Yes