Lee Precision Model LP90487 Bulge Buster Kit Assures your mixed brass is bulge free Works with these rimless cases: 380 ACP, 10mm, 40 S&W, 41 AE, 45 ACP, 45 GAP, and 45 Win Mag. NOTE: 9mm cases are not able to be used in the Bulge Buster because it has a slightly tapered case and the rim is not completely flush with the case Made in USA