I tried looking at both Trijicon and Butler Creek's web sites to figure out objective and eye piece diameter for the RCOA4 but couldn't seem to find anything. Does anyone know what sizes of lens covers I should order from Butler Creek? Bear in mind I have the kill flash installed.
Link to the RCO
http://www.trijicon.com/user/parts/products1.cfm?PartID=476&back_row=4&categoryID=3
Link to the RCO
http://www.trijicon.com/user/parts/products1.cfm?PartID=476&back_row=4&categoryID=3