.300 WSM vs .338 Edge
A to-scale size comparison of the .300 WSM and the .338 Edge, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
.300 WSM (left) beside .338 Edge (right), shown at the same scale.
The .300 WSM has an overall length of about 2.86″ with a 0.309″ bullet. The .338 Edge runs about 3.82″ on a 0.338″ bullet. That makes the .338 Edge about 1.3x the overall length of the .300 WSM. See the full reference for each: .300 WSM and .338 Edge.