Sig Sauer ROMEO MDC, Red Dot Sight, 25mm Objective, 3 MOA Dot, RMSc Footprint, Matte Finish, Black SORMDC30 In Sig's world-class facilities, they build the toughest, most precise rifles, pistols, suppressors, optics, ammunition, and airguns, while offering the finest firearms training all as a fully integrated system. Sig does this because they share the same drive to be the best, the same love of freedom, the same unwillingness to compromise as those who choose SIG.