Pinty 4 MOA Red Green Dot Tactical Reflex Sight with Picatinny Cantilever Mount Full metal construction. Precise windage and elevation adjustments Cantilever PEPR mount fits any 20mm picatinny or weaver rail Quick rail attachment design. Weatherproof and shockproof Red or green dual illuminated dot reticles with adjustable brightness Removable, spring loaded flip lens cover