Originally Posted by
stug
Just a blade with a very fine v so that the front bead sits in the v so that the top of the bead is level with the top of the leaf and the bottom of the bead sits level with the bottom of the v. You will probably need to look at european manufacturers like recknagel.
Then you just need to decide how big a bead you want and what colour. And do you want a dead-on hold (so that the bead covers where the bullets hit) or a six o'clock hold so that the bullets hit at the top of the bead.