Kramer Defense has released a new round for the AR-15 that they are calling the “6.8x45mm Urban Combat Cartridge”. The round is based on the 5.56mm case, necked up to .277″ caliber: Las Vegas, Nev. – -(Ammoland.com)- After four years of research and development, Kramer Defense announced the commercial release of the 6.8x45mm Urban Combat Cartridge […]
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