Greg, that is exactly what the screw is for. I use blackpowder (46 gr) and a wad and a 250 gr Lyman flatnosed bullet.

The screws are sold on ebay for an exorbitant price, but they work really well. The original screw lives under the buttplate in the meantime.


_________
BrentD, (Professor - just for Stan)

[Linked Image from i.imgur.com]