I heard an interesting one today from Dan at William Larkin Moore.

His claim was minimum walls of anything at or above .020" was fine (not marginal) for 2.5", vintage pressure shells.

His claim was minimum walls of anything at or above .025 "was fine (not marginal) for 2.75", modern pressure shells.


Both those statements assume the gun is within proof and shooting the prescribed shell for that gun.

I'll now wait to read your responses since I'd not heard this distinction before.

Last edited by Rookhawk; 12/14/11 07:03 PM.