Outfit your rifle with one of the most versatile airsoft rifle scopes on the market today, the 3-9x40 Compact Rifle Scope from Swiss Arms. Constructed fully from metal, this optic sight is extremely tough and can easily withstand the use and abuse of airsoft warfare. This Compact scope features five levels of MIL-DOT illumination levels, giving players the perfect level of illumination during all times of day. Users can choose between red and green illuminated reticles to account for various playing environments. A small built-in 20mm picatinny/weaver rail at the rear of the scope can house a wide range of additional tactical accessories. The mounting rail integrated into the sight allows this scope to be used on all 20mm picatinny rails. Run onto the battlefield confident you have what it takes to come out on top.