Are you saying Wiltshire and Northumbria allow section 5's....doubt it somehow
I had to get mine restricted to 2 shots by welding a plug in 4 of the holes in the cylinder. Personally I don't regard that as safe.Revolvers don't jam, don't need as much maintenance,probably cost more,are a lot safer if only used double action and can't be restricted shot wise.
Spot the ex "wheelgunner"
fraser