Anodized aluminum, black matte finish. Tube diameter 1.18" - 30mm. Objective (front) lens diameter: 25mm. Unlimited eye relief. Field of view 52 ft at 100 yards. Adjustable 5 minute of angle red dot covers 5" at 100 yards. Eleven position switch adjusts for intensity

Tippmann A-5 paintball gun. Safety Appears To Be Missing/Removed. The item is untested.