Originally Posted by halifax
All gun makers have been using high carbon steels for the past 200 years - Spain, Turkey, Pakistan included.

Bunk.

The vast majority of shotgun frames were made from 1018 or 1020.

This is why they were case hardened.

Wrought iron was also used.

Online references abound.


"The price of good shotgunnery is constant practice" - Fred Kimble