Hello All,

The design is very good.

http://www.eaacorp.com/Manuals/45-70convkit.pdf

The bushings allow you to tune the barrels a fair amount.
I have shot the 45-70 a little and it prints OK.
One barrel shoots low.
Unfortunately the tubes will only ever be as good as the original
$260 Russian made shotgun.
I have a series of loads with the Hornady FTX bullets that I need to test for regulation.
Just need the time.
I may end up making a new bushing to try correct the right barrel.

New development !

I have decided to go ahead with the 20 ga conversion tube idea.
I have to get some measurements on paper and finalize the feasability.
I have sourced a set of barrel blanks ( ER Shaw 20 ga fully rifled )
I have to contact my smith and see how busy he is.

Another thought is a JP Sauer conversion on a 16 ga. frame.
Anyone have a smith who is versed in converting shotguns to DR's ?

Thanks
Nitro