THE CO IS SETTING UP STUFF TO MAKE GOOD SABOTS
Reamers, check with Rob on AR forums of PTG Reamers.
If you stop at 3.5 inch case any regular 3.5" reamer works.
I use 3.5" one and then have adjustable reamer I ground
taper on to get extra .35" length.
Here is overall view of the Armi-Lumar O/U 12ga that has
one barrel rifled. Second is another view of the breach.
Nice looking gun.
Here is picture of the 58cal Minie bullets in 20ga BPI Commander
shotcup wads, and some 50cal bullets in 20ga BPI Sport shotcups.
Sport wads were too small inside and to tapered inside for 58 cal.
Other two are 458 bullets in a non-discarding base that had SPW,
Buckhamer type slugs in them, that someone took apart, that I got.
And one 100yd group shot by Ajay on ShotgunWorld with Sav 220
20ga, with 20ga Commander wad and 58cal cast Minie bullets
measured about 2 inches. Four shots in two inches.Ed