Holosun HS503C circle dot sight

Used but fully functional. Was originally used by a real steel shooter but sold to me. Stupid reliable sight and despite the two owners it doesn't have much wear on it. Bought it myself to use it on my GBBRs but it probably saw like 2 games at most. 
It's basically complete in the original box with both the low and high mounts, spare battery train and a screwdriver to remove the battery tray with. 

For further information and photos do not hesitate to message me. Asking price + post + fees.
Located in Estonia.