The .22 training rifle was the No 8, they are around but are expensive.
No 7 and No 9 (Navy) are Lee Enfield No4 look alikes, but manufactured for .22.
Lots of information here: http://www.rifleman.org.uk/Enfield_Rifle_No.9.html
Sorry only know a couple of people who own them, and they buy but don't sell!