Aim-O 551 Holographic Sight is a compact design with a mini red dot sight. With a short body but a wide field of view. Ultra-fast aim at the target, it can give you a good experience of gun gaming.
Features:
- Light weight and shockproof
- Anti-Reflective coating
- Scratch- Resistant Lens
- 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 / LR44 (not included)