Made up a 40 cal rimmed on the small martini.
used a 10 mm GM barrel 16 twist and a 10 mm auto reamer run into 1.35 " , cut the rim relief
Sized down 41 rem mag brass and lil lathe work near the base to fit chamber
worked up the load on quick load and made up some ammo in the 20 K range as using cast bullets 175 gr
Barrel is finished at 18.5 ,the rifle is just tool blacked for now and scope is a weaver 4X and just bore sighted
here is a pic


used a 10 mm GM barrel 16 twist and a 10 mm auto reamer run into 1.35 " , cut the rim relief
Sized down 41 rem mag brass and lil lathe work near the base to fit chamber
worked up the load on quick load and made up some ammo in the 20 K range as using cast bullets 175 gr
Barrel is finished at 18.5 ,the rifle is just tool blacked for now and scope is a weaver 4X and just bore sighted
here is a pic

