Like BLUE RIDGE BRASS!! I get all my 40 cal (soiled since I hold the means and can easily clean it myself) scenarios from Blue Ridge Brass! I get it by the 4,000 at a time and have not had a 10mm scenario in the bunch, nor a 9mm wedged https://40-cal-brass41740.dgbloggers.com/39692776/the-basic-principles-of-40-s-w-brass