Drew Hause
07-08-2013, 04:31 PM
Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives (C.I.P) http://www.cip-bobp.org/
Shotgun recommended minimum wall thickness p.4
http://www.cip-bobp.org/sites/default/files/new_file/A-4-1_EN.pdf
Assuming Categorie 1 is Standard Steel, for 12g the MWT numbers are:
Just past the forcing cone/ 4” from breech - .075”
8” - .043”
12” - .030”
16” - .024”
20” - .022”
http://pic20.picturetrail.com:80/VOL1373/6511424/17126410/407166150.jpg
Shotgun recommended minimum wall thickness p.4
http://www.cip-bobp.org/sites/default/files/new_file/A-4-1_EN.pdf
Assuming Categorie 1 is Standard Steel, for 12g the MWT numbers are:
Just past the forcing cone/ 4” from breech - .075”
8” - .043”
12” - .030”
16” - .024”
20” - .022”
http://pic20.picturetrail.com:80/VOL1373/6511424/17126410/407166150.jpg