Like BLUE RIDGE BRASS!! I get all my 40 cal (dirty due to the fact I have the assets and can easily clean it myself) conditions from Blue Ridge Brass! I get it from the 4,000 at a time and have not had a 10mm situation from the bunch, nor https://reloading-40-s-w29528.blogzet.com/the-definitive-guide-to-40-s-w-brass-53990487