Ted, Dustin, don't worry, it's not for you.

Fact 1 about French steel.
This is page from Desk Book For Hunters And Sportsmen, 1956
The part marked red says about high grade Darne 12G, 29 1/2" barrels, bbls weight 1230 grams (45 oz), 65 mm chambers. 7 1/2" from muzzle large torn hole 2" long. Committee of gun experts established, that ammo was OK (1,85 grams Sokol nitro powder, 32 grams of lead shot - aprx. 425 Kg per sq.cm crasher pressure), no foreign objects damage, but wall thickness in this place was 0.02" and this was the reason of such rupture.



to be continued.

Geno.