The MCX platform has long been SIG SAUERS breeding ground for developing the best rifle system in the world through extensive testing, continued innovation and customer feedback. SIG SAUER introduces the MCX-SPEAR LT, based on its predecessor the MCX Virtus the MCX-SPEAR LT has a lightened handguard with attachment screws for additional rigidity and a lightened profile barrel with improved accuracy. Other features of the MCX-SPEAR LT include an ambidextrous bolt catch and release on its lower, coyote anodized finish, minimalist stock for maximum compact foldability and AR15 style trigger compatibility. Brand Sig Sauer Series Spear LT Model MCX Caliber 5.56x45mm NATO Gun Platform AR-15 Style Operating System Gas Piston Stock Finish Group Brown Capacity 30+1 Stock Material Synthetic Action Semi-Auto OAL 34.30" Hand Ambidextrous Sights Optic Ready Barrel Finish Black Muzzle 3 Prong Flash Hider Twist 1:7" Grips Coyote Polymer Handguards M-LOK Free-Float Safety Ambidextrous Manual Thread Pattern 1 / 2"-28 tpi Stock Description Folding Barrel Description Carbon Steel Barrel Length 16" Receiver Finish Coyote Cerakote Trigger Sig Flatblade Match Weight 7 lbs