6.8 Western vs .308 Winchester
A to-scale size comparison of the 6.8 Western and the .308 Winchester, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
6.8 Western (left) beside .308 Winchester (right), shown at the same scale.
The 6.8 Western has an overall length of about 2.96″ with a 0.278″ bullet. The .308 Winchester runs about 2.81″ on a 0.309″ bullet. The two are close in overall length. See the full reference for each: 6.8 Western and .308 Winchester.