
I'm going to go for the top one of these three:

This is what I have to work with:




Tonight, I tried to put together a couple of guns using the PE. Obviously, it was my first attempt ever to champion this easier-said-than-done little niche of the hobby. My efforts were met with absolute and irreversible failure.

The molded gun jackets were measured with a micrometer at 2.68mm. I rolled the annealed PE jackets onto a 2.38mm brass tube, which I thought was 'close enough'. It turned out not.
The jackets were mutilated while trying to fit them onto the guns, they were too tight.
I'm just going to have to try again, and again, and again. Until I get it.
Guy