If you want an A5, I personally really like the VFC AEG one. It shoots lovely with nothing needing to be done (To mine, at least)
Alternatively if you’re not bothered by trademarks the Specna Arms A5 might be a good choice. Not had any experience with their A5 but I had their 416D with the Edge 2.0 gearbox and it was my main pew for almost a year, until sadly I lent it to a friend and it came back with a broken lower receiver 😔