Guys

The leading on the Gualandi's is a total mystery to me.
Let me explain: If you look at the above picture you will see that the slug has a base ring and a top ring and 2 spiral flutes.
The top ring is overbore / fullbore at 0.730" depending on your barrel.
The bottom ring is underbore at 0.722".
The boddy is way underbore at 0.690".
The flutes taper rapidly from the full bore ring down to the underbore ring.

In my case I ran them through my custom sizer die, so that the upper ring was exactly the same bore as the smooth bore portion of my barrel ( 0.7265" )

So where the HE!! did the lead sheets that were left in the barrel come from ?
They were getting shaved some how.
The chamber in my gun does not have a step as far as i remember, may have to look again.
I remember it just tapers down to bore size in front of the chamber.
The hulls were 2 3/4" full length, brand new.

Any Ideas ?

Nitro

PS: The dimensions are from memory, I did sit down and make all these measurements with a caliper
They may be a little off.