NCStar DBB130 Tube Reflex Optic 1x 30mm Obj Illuminated Red Dot Black Anodized CR2032 Lithium (3)

These tube-style sights with a safe LED red dot have a 30mm objective and a black anodized aluminum body. They feature a seven-position rheostat knob for multiple brightness settings. These red dot sights come with an extra CR2032 battery, lens covers, and a mounting tool, as well as an integrated weaver-style mount.