Colt's Stealth Grey LE6920 MPS Semiautomatic Tactical Rifle features an M4 chrome-lined barrel that has a 1:7 rate of twist, making your ammo choices virtually unlimited. Muzzle compensator lessens muzzle raise, keeping you accurate during rapid fire. Direct-gas-system action with locking bolt reliably and quickly feed shells. Magpul Gen2 MBUS® flip-up rear sight adjusts for windage and the MBUS front sight adjusts for elevation. Also outfitted with Stealth-Grey Magpul MOE-SL stock and grips with aggressive TSP texture, collapsible stock, Magpul M-Lok vertical grip, Magpul MOE slim-line furniture and a 30-round Magpul PMAGg® magazine.