Designing the 2-diameter paper patch bullet.

[Kurt]

A dual diameter would never work in my .40, the chamber is to tight. Arnie gave me a couple of his bullets and patched with .0018" paper they wont even go into a clean fired case. The chamber in little missy will not except a bullet larger then .4033" diameter unless I breach seat them.

I had three of Arnie's bullets and shot them with the scope mounted .40-65 on my 130 yard range breach seated and the three shots covered with a dime would just show one 1/16" crescent cut outside.

Those were the bullets Arnie used at the Lodi match when he shot a 99 at 800. One shot just missed the 10 ring by about 3/4".
I don't recall the bullet length but it's a lot longer then I would expect to shoot well in a 14 ROT barrel.