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6mm XC
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Technical Specifications:
Caliber: | 6mm XC |
Bullet Diameter: | 0.243" | 6.17mm |
Primer Size: | Large Rifle (LR) |
Max. Case Length (l3): | 1.910" | 48.51mm |
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_184 |
Standard | C.I.P. |
Letztes Update: | 9/5/2024 |
- 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 optimised 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 standardised the case. Factory brass is available from Norma and Peterson.
When aggregating the ballistic performance of null suitable bullets for this caliber, you get an average powder charge of 39.4gr | 2.55g , an average muzzle velocity (V0) of 3126fps | 953m/s , and an average muzzle energy (E0) of 2552 Joule.
Velocity (V0)
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Energy (E0)
Ballistic Coefficient (BC1)
Weight vs. Velocity - Suitable Bullets for this Caliber
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Barrel Length Variation vs. Velocity - by Bullet Weight
6mm XC load data available with the following bullets:
Filter by Bullet Weight (Grains)
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