Get a new one
Dunno what those two above are on about, but for the price of parts and time, you could just get a new one. Not to worry about time, power, consistency, and so on and just generally effort. If it was worth 100 quid, yeah, do it, but that’s worth 30 quid, as mentioned.
Cue the analysis of the cost of parts compared to a new rifle from the nerds