Kramer Defense Files Patent for Bolt Heads for Cartridges Larger Than 6.8mm SPC, Wildcat World Reacts

Kramer Defense Files Patent for Bolt Heads for Cartridges Larger Than 6.8mm SPC, Wildcat World Reacts

By Nathaniel F

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 wildcatting communities. The patent relates to bolts of larger diameter than the standard AR-15 bolt, […]

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The post Kramer Defense Files Patent for Bolt Heads for Cartridges Larger Than 6.8mm SPC, Wildcat World Reacts appeared first on The Firearm Blog.

Via: The Firearm Blog

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