6 mm XC
|Place of origin||United States|
|Manufacturer||Commercially by Norma|
|Parent case||.250 Savage|
|Case type||Rimless, Bottleneck|
|Bullet diameter||6.17 mm (0.243 in)|
|Neck diameter||6.82 mm (0.269 in)|
|Shoulder diameter||11.42 mm (0.450 in)|
|Base diameter||11.84 mm (0.466 in)|
|Rim diameter||11.86 mm (0.467 in)|
|Rim thickness||1.22 mm (0.048 in)|
|Case length||48.1 mm (1.89 in)|
|Overall length||63.4 mm (2.50 in)|
|Case capacity||3.24 cm3 (50.0 gr H2O)|
|Primer type||large rifle|
The 6mm XC was initially 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 had to be formed from .250 Savage brass, but it is now commercially available.
The 6XC is a 1000-yard cartridge, comparable to benchrest calibers such as 6x47mm Swiss Match, 6.5×47mm Lapua and 6 mm/22-250; it fits into cartridge class that exceeds the velocities of benchrest calibers such as 6mm BR Remington, 6mm BRX and 6mm 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).
- 7.45 g (115 gr) Hollow Point Boat Tail (HPBT): 3,000 ft/s (910 m/s)
- List of firearms
- List of handgun cartridges
- List of rifle cartridges
- List of individual weapons of the U.S. Armed Forces
- Norma 6XC Oryx data sheet. Retrieved 8 April 2013.
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