APS metal receiver What t-piece, cylinder head, nozzle and tappet have you used?

What t-piece, cylinder head, nozzle and tappet have you used in your asiaairsoft metal receiver builds using APS gearbox? I’m using the APS gearbox from Azrael’s that came with a gen 9 nozzel

I’ve ordered a FB t-piece and barrel adapter, was thinking of ordering a well or a warinterest v2 nozzel but unsure if I will require a different cylinder head and tappet

Thanks in advance