Like BLUE RIDGE BRASS!! I get all my 40 cal (soiled because I contain the resources and can easily clean it myself) circumstances from Blue Ridge Brass! I get it via the 4,000 at a time and have not had a 10mm situation in the bunch, nor a 9mm wedged https://zanderokxyl.tinyblogging.com/the-single-best-strategy-to-use-for-40-s-w-brass-82618414