6.8 Western vs 7mm SAUM
A to-scale size comparison of the 6.8 Western and the 7mm SAUM, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
6.8 Western (left) beside 7mm SAUM (right), shown at the same scale.
The 6.8 Western has an overall length of about 2.96″ with a 0.278″ bullet. The 7mm SAUM runs about 2.83″ on a 0.284″ bullet. The two are close in overall length. See the full reference for each: 6.8 Western and 7mm SAUM.