6mm Creedmoor vs 33 XC
A to-scale size comparison of the 6mm Creedmoor and the 33 XC, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
6mm Creedmoor (left) beside 33 XC (right), shown at the same scale.
The 6mm Creedmoor has an overall length of about 2.80″ with a 0.243″ bullet. The 33 XC runs about 4.36″ on a 0.338″ bullet. That makes the 33 XC about 1.6x the overall length of the 6mm Creedmoor. See the full reference for each: 6mm Creedmoor and 33 XC.