551 Red / Green Dot

Features:

• Light weight and shockproof
• Magnification: 1x
• Reticle: Red / Green Dot (10 levels of brightness for each color)
• Objective Lens Diameter: 31mm x 23.5mm
• Fit for 20mm rail
• Material: Aluminum
• Battery: 4x AG13 (not included)
• No Markings