have you tried a shooters jacket? yes they would be miserable in the summer but a lot of the guys out here that shoot comp swear by them. you could also try trail boss powder. it simulates black powder and it is very light recoiling in everything I've tried with it.
ignore my complete lack of capitalization. I still have no problem correcting your grammar.
I never said half the stuff people said I did-Albert Einstein
You can't believe everything you read on the internet-Benjamin Franklin