Starline Brass STAR45SUPEUP Handgun 45 Super Brass 50 Per Bag

The 45 Super is the same externally as the 45 Auto, but has a thicker web, denser grain structure in the metal, and special heat treat process that enhances the durability of the case. It has a similar internal capacity as the 45 Auto. Note: Do not shoot in standard 45 Auto.