6.5 Creedmoor vs .338 Winchester Magnum
A to-scale size comparison of the 6.5 Creedmoor and the .338 Winchester Magnum, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
6.5 Creedmoor (left) beside .338 Winchester Magnum (right), shown at the same scale.
The 6.5 Creedmoor has an overall length of about 2.83″ with a 0.264″ bullet. The .338 Winchester Magnum runs about 3.34″ on a 0.338″ bullet. That makes the .338 Winchester Magnum about 1.2x the overall length of the 6.5 Creedmoor. See the full reference for each: 6.5 Creedmoor and .338 Winchester Magnum.