Originally Posted By: Rookhawk
The luftwaffe drilling you speak of in 12 gauge is a survival gun and it had 24" 12 gauge barrels.


The Sauer Model 30s for the Luftwaffe(12/65) were 650mm as far as I know. Also the concept/overall design intent for the drilling was based on the 16 bore and any dimensions outside of that gets into a more complicated design.

Kind Regards,

Raimey
rse