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12mm Pinfire Cartridge
Size: 12mm Headstamp: blank Manufacturer: UMC - Union Metallic Cartridge Company - Bridgeport, Connecticut, United States Additional Info: This is an early variation with no headstamp. Later on the used an impressed U for the headstamp. Additional Info: In 1873, a few years after the American Civil War, UMC began making pinfire cartridges for nearly 50 years. They made them in 7mm, 9mm and 12mm. |