Rifle scopes -Patent Design -Built-in Red + Green + Blue laser dot crosshairs (selected via control dial) - With Gun Mount red and green dot combo with windage and elevation adjust mechanismSPECIFICATION: Full Metal Rugged One Piece Tube Construction for all terrains / weather Anti Reflex Coating all surfacesFit all 20mm picatinny rails, scope rail Weaver Side Rails allowed for flashlight and ...