Paul, I use them in my 16 gauge and it weighs the same as yours. There is noticeable recoil in the bigger loads. Kent's shells mean business!!!

Here is an e-mail Kent sent me about their chamber pressure ratings.

We have had a couple of models in the past of the 16g TM, so the pressure on each of those:

1 oz. is 8900
1 1/16 oz. is 9600
1 1/4 oz is 10,000

I love em and will buy more!!! smile