IIRC the Rolling Blocks had tapered screw heads. Many of the guns of that era did. So a tapered screwdriver may be the correct tool, but it needs to be one that fits properly.
IIRC the Rolling Blocks had tapered screw heads. Many of the guns of that era did. So a tapered screwdriver may be the correct tool, but it needs to be one that fits properly.tried penetrating oil and let it sit?- breaking screwdriver tips is a sign of WRONG SCREWDRIVER
- areu using hollow ground smiths screwdrivers?