02-22-2015, 11:22 AM
In the past, I have just blacked the block, loaded an empty and used a piece of 1/8 rod to spin it so that it leaves a mark on the block. This allows me to see where the pin needs to go.
It works best if you file the flat of the empty cartridge a bit first so that it makes a good ring.
It works best if you file the flat of the empty cartridge a bit first so that it makes a good ring.