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6 mm XC (also known as 6XC) is a fairly new rifle cartridge, similar to the 6x47mm Swiss Match, that was developed specifically for NRA High Power match shooting by 11-time NRA High Power National Champion David Tubb. It is touted as being one of the most accurate long-range 6 mm rounds in the world that is designed for repeating rifles.

Originally, the case for this wildcat cartridge had to be formed from .22-250 brass, but it is now commercially available.

PerformanceEdit

The 6XC is 1000 yard cartridge, comparable to benchrest calibers such as 6x47mm Swiss Match, 6x47mm Lapua and 6 mm/22-250; it fits into cartridge class that exceeds the velocities of benchrest calibers such as 6 mm BR Remington, 6 mm BRX and 6 mm Dasher. The 6XC has claimed several wins in NRA High Power National Championships and a number of NRA Long Range championship events (1000 yard events).

Muzzle velocityEdit

  • 7.45 g (115 gr) Hollow Point Boat Tail (HPBT): 3,000 ft/s (910 m/s)

CategoriesEdit

Cartridge:rifles

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