Thanks to everone for your helpful replies and suggestions.

I'm going to try the gas-check route for starters and I'll experiment with a variety of materials including the ones mentioned.

Let you know how I get on.

Once again, many thanks...

Bob H

Bob, Me again. A couple thoughts: Slug the bore to get the grove diameter. Generally you need the bullet to be .001" to .002" larger than grove diameter. This is more true for rifles than handguns. If you have access to, or a gunsmith who has cerosafe, do a chamber cast to see what kind o...

I have a late production Winchester Legacy .357 (24" barrel) which I use only for paper punching. I use store bought hard cast .357 158g RN bullets over 4.5g of TightGroup or 6.0g of Unique which keep me in the black at 50 metres using iron sights. Even with these light loads the bullets exit t...