Like BLUE RIDGE BRASS!! I get all my 40 cal (soiled since I provide the sources and can easily clean it myself) conditions from Blue Ridge Brass! I get it through the four,000 at any given time and haven't had a 10mm scenario during the bunch, nor a 9mm wedged https://edwinwdkpu.thekatyblog.com/37006300/indicators-on-reloading-40-s-w-brass-you-should-know