I have a Marlin 1892 which is .32 rimfire (Sec 58). I'm waiting for my ticket to come through and when it does I'd like to add the Marlin so I can shoot it.

Rimfire ammo is a non starter but I can get a firing pin made to shoot .32 short colt. Unfortunately that seems as bad to get hold of. Winchester offer brass but the only place I can find that "stocks" it keep saying that delivery is delayed. I suspect Winchester are concentrating their efforts on military calibers at the moment.

There is brass available in the States but costs about £200.00 for 100, then there's shipping and VAT on top.

I'm wondering if theres anything I can convert, .320 rook perhaps, or 310 cadet?

Alternatively is there anywhere in the UK that specialises in obsolete brass?

Finally, someone suggested I get an engineer to turn them, is that a possibility and if so any recommendations?