be glad to how it goes for u. i am long time 45 cal shooter. have ton of 345 brass. when iwas shoot Limted hald para p-16 in 40 cal it was ok. was all setup to buy a gun from dawson. then 2 week after i place the order had to stop the order . because of stuip ny safe act. got reid of 20 gals of 40 gal brass and just shoot Lt 10.in 45 so good luck