Originally Posted By: doc06
In the small bore damascus guns, what pressures are people trying to achieve when shooting. Most say that under 7000 for a 12 bore is fine, and many try for around 5000. Is there a difference with the subgauge guns?


The hoop stresses in a small bore gun are lower than those of a larger bore with the same gas pressure and same wall thickness.

In other words, the smaller the gauge, the higher the pressure the gun will take, with the same wall thicknesses.

doublegunhq.com
Fine English, American and German Double Shotguns and Rifles