I want to get 454-230-RN RG4 cavity PB Brass (H&G 34) but I’d like the option of an RN. I’ve got the 453-220-RF RG4 cavity PB which has pins for a RN (great mould, by the way) so I was wondering if such pins could be made for the 454-230-RN RG4. I’d certainly pay extra for them.