6mm Creedmoor vs .375 CheyTac
A to-scale size comparison of the 6mm Creedmoor and the .375 CheyTac, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
6mm Creedmoor (left) beside .375 CheyTac (right), shown at the same scale.
The 6mm Creedmoor has an overall length of about 2.80″ with a 0.243″ bullet. The .375 CheyTac runs about 4.46″ on a 0.375″ bullet. That makes the .375 CheyTac about 1.6x the overall length of the 6mm Creedmoor. See the full reference for each: 6mm Creedmoor and .375 CheyTac.