1/72 Hasegawa (or other) bf109G-4 kit exist?

Hello,
The subject line just about sums it up. Given that there are tons of
G-6s, and a few G-10 kits out there, is there a 72nd G-4? I know
Hase has a 1/48 one, so was wondering if that has been scaled
down...or does another manufacturer offer one?
If not, is the G-6 to G-4 conversion an easy one? (you have a neophyte
here).
Thanks!
John