6mm Creedmoor vs 7mm PRC
A to-scale size comparison of the 6mm Creedmoor and the 7mm PRC, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
6mm Creedmoor (left) beside 7mm PRC (right), shown at the same scale.
The 6mm Creedmoor has an overall length of about 2.80″ with a 0.243″ bullet. The 7mm PRC runs about 3.34″ on a 0.284″ bullet. That makes the 7mm PRC about 1.2x the overall length of the 6mm Creedmoor. See the full reference for each: 6mm Creedmoor and 7mm PRC.