I bought a 12 gauge Model 12. I hardly use my 16 gauge double anymore maybe once a year.

I'm starting to run low on 12 gauge and getting a little desperate.

Here is the chamber pressures I have;

Kent's TM

2 3/4 length shells, 1 3/8 oz. 11,400 psi.
2 /34 length shells 1 1/4 oz. 9,900 psi

Kent's bismuth,

2 3/4 length shells 1 1/16 oz. 9,800 psi
2 3/4 length shells 1 1/4 oz. 10,000 psi