Safe to shoot roundball in a cap and ball revolver?

[TFoley]

If you told us the brand of your Walker, we could likely recommend a mould size, bearing in mind that there will be an inevitable, though small, amount of shrinkage as the ball cools down. Most Uberti .44cal revolvers, regardless of type, like a .454" ball. The Walker seems to like to shoot around 45 - 50gr - the effect is the same - lots of smoke and flame.

 

[lyman54]

All the .44's I've had used a .454 ball, they were all by Pietta. Then again the one I just bought hasn't been fired yet, hope it's a .454 also, hate to buy a new mold.