Here is the latest product update from Get-Reload:
AIP Red Dot Sight Kit For MARUI Hi-capa 5.1
US$42.11Production Description
– Scope length: 82mm
– 4 interchangeable reticle shapes in a single sight
– Reticle type: Dot, Diamond, Bracketed Dot & T-Dot
– 7 Level of dot intensity setting
– Entire black metal body kits
– Battery: CR2032 3V