7mm SAUM vs .338 Edge
A to-scale size comparison of the 7mm SAUM and the .338 Edge, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
7mm SAUM (left) beside .338 Edge (right), shown at the same scale.
The 7mm SAUM has an overall length of about 2.83″ with a 0.284″ bullet. The .338 Edge runs about 3.82″ on a 0.338″ bullet. That makes the .338 Edge about 1.4x the overall length of the 7mm SAUM. See the full reference for each: 7mm SAUM and .338 Edge.