#518 50 Cal pen
This .50 caliber bullet cartridge pen will make a great gift for any outdoorsman or military enthusiast. First developed for the Browning .50 caliber machine gun in the late 1910's, the cartridge used in this pen is commonly used in the military. Utilizing an authentic .50 caliber brass cartridge; it has no nicks or dings as may be found on some pens of this type. This pen uses a Cross refill.