Hola Martin,

You are right.
16 bore finished barrels proofed with 9 grams of black powder "Forte" and
60 grams of Nº8 shot for a pressure of 893 kgs per square centimeter or
12,701.44 psi

JC

Last edited by JayCee; 01/05/10 01:37 PM.

"...it is always advisable to perceive clearly our ignorance." Charles Darwin