Preserving the dynamics can be done by selecting the appropriate modern steel. The stronger the steel the less material needed. There is an interesting comparison in barrel wall dimensions for three steel grades in the CIP reports.

As for technical feasibility this is an interesting approach:

http://oplognosia.com/?p=9232

If you are not allergic to monobloc barrels that is.

Last edited by Shotgunlover; 12/20/17 12:20 PM.