6mm Creedmoor vs 28 Nosler
A to-scale size comparison of the 6mm Creedmoor and the 28 Nosler, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
6mm Creedmoor (left) beside 28 Nosler (right), shown at the same scale.
The 6mm Creedmoor has an overall length of about 2.80″ with a 0.243″ bullet. The 28 Nosler runs about 3.34″ on a 0.284″ bullet. That makes the 28 Nosler about 1.2x the overall length of the 6mm Creedmoor. See the full reference for each: 6mm Creedmoor and 28 Nosler.