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Kramer Defense Files Patent for Bolt Heads for Cartridges Larger Than 6.8mm SPC, Wildcat World Reacts
Kramer Defense, the company that introduced the 6.8x45mm UCC cartridge based on the .378″/9.6mm diameter case head of 5.56mm, filed a patent on Aug 14, 2014 (approved Sept. 1, 2015) that has recently sent shockwaves through the 6.5 Grendel and cartridge [Read More…]