Tank and line yes but reg is a big no. You need an adjustable low pressure reg, the one you linked is a paintball reg so input pressure is up to 4500 and output is 800 where you need one with input 800 and output 40-160 adjustable.
They're not in stock right now but regularly restock:
https://www.highpressureairsoft.co.uk/store/p73/Tank%2C_Line_and_Regulator_Package.html