45 Colt Brass. Originally designed for use with blackpowder, the .45 Colt is one of the most powerful, commonly available handgun cartridges when loaded with smokeless powder. Our .45 Colt brass has been tested to .44 Magnum pressures in gun systems suitable for such loads. *New brass may require neck sizing for use with .452″ and smaller bullets.

Due to stock levels, Starline may be subsitutes with Magtech brand.