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500 PHANTOM

This was another cartridge developed by Teppo Jutsu as a heavy caliber, hard-hitting law enforcement or special operations cartridge. It was designed by Marty ter Weeme from Teppo Jutsu in 2005 and is based on the 500 Jefferey case that was shortened and necked down to fit into the AR-10 platform. For all intents and purposes the cartridge has been discontinued, largely because of the cost and availability of the brass.