Description Starline Brass 45 Colt (Long Colt) Unprimed Bag of 100 Starline strives to hold the closest production tolerances possible on every caliber we produce to ensure the highest quality brass available. All brass is produced within SAAMI specifications and includes special heat treat processes and designs to enhance strength and longevity. 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. This is not loaded ammunition. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.
