Designed from the real Sig MCX firearm, its PROFORCE airsoft version will not disappoint you: full CNC receiver, M-LOK rail integrated into the handguard (in metal), 3-position telescopic stock, Picatinny rail on the top hand guard to mount your favorite accessories (lamps, laser, PEQ box, RIS grip, fore-end grip, etc.) ... Perfect finishes (model manufactured by VFC for Sig Sauer)