28 Nosler vs .300 WSM
A to-scale size comparison of the 28 Nosler and the .300 WSM, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
28 Nosler (left) beside .300 WSM (right), shown at the same scale.
The 28 Nosler has an overall length of about 3.34″ with a 0.284″ bullet. The .300 WSM runs about 2.86″ on a 0.309″ bullet. That makes the 28 Nosler about 1.2x the overall length of the .300 WSM. See the full reference for each: 28 Nosler and .300 WSM.