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6 mm XC
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Technical Specifications:
Caliber: | 6 mm XC |
Bullet Diameter: | 0.243" | 6.17mm |
Primer Size: | Large Rifle (LR) |
Max. Case Length (l3): | 1.901" | 48.29mm |
Max. Cartridge Length / OAL: | 2.750" | 69.85mm |
Max. Standardized : | 63817 psi | 4400 bar |
Case Capacity: | 49.7 Grains of Water | 3.23 cm3 |
CID: | CID_929 |
Standard | C.I.P. |
Letztes Update: | 10/7/2024 |
- The 6mm XC was initially developed as a Wildcat cartridge specifically for NRA High Power match shooting by 11-time US National Champion David Tubb. The round originated from chambering a barrel using a .243 Winchester reamer held short, with the case reformed from .22-250. The round is optimized for bullets heavier than 100 grains to improve performance at long ranges - .243Win typically uses bullets lighter than 100 grains. It is touted as being one of the most accurate long-range 6 mm rounds in the world that is designed for repeating rifles. The 6XC is now a CIP standardized case. The origin is listed as Sweden since Norma standardized the case. Factory brass is available from Norma and Peterson.
Velocity (V0)
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Energy (E0)
Ballistic Coefficient (BC1)
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Most popular powders from our community members for this caliber:
Weight vs. Velocity - Suitable Bullets for this Caliber
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Barrel Length Variation vs. Velocity - by Bullet Weight
6 mm XC load data available with the following bullets:
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