hey anons I recently got a KR-103 for about 900 dollars and I am really enjoying it, I replaced the standard muzzle device with an adapter to suppress it and it's a lot of fun to shoot. I'm struggling on deciding on what kind of optic mounting solution I want, ideally I want some actually working and fitting zenitco b-13 rail but the one clone I did buy didn't fit so I'm hesitant to waste money on another mystery chinese good