Barrel wall thickness

[Bruce Day]

Back to top. Persons interested might read Jay Shachter's post.

[Drew Hause]

This information was part of a separate thread, but will add it here
http://parkerguns.org/forums/showthread.php?t=10889

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/defaul...e/A-4-1_EN.pdf

For 10 & 12g Standard Steel................................20g Standard Steel

End of chamber - .079”............................................. ....... .075”

Just past the forcing cone/ 4” from breech - .075”................. .071”

8” - .043”............................................. ........................... .041”

12” - .030”............................................. ......................... .028”

16” - .024”............................................. ......................... .022”

20” - .022”............................................. ......................... .020”

FAQ http://parkerguns.org/pages/faq/BarrelThickness.htm