.308 Winchester vs 30 Nosler
A to-scale size comparison of the .308 Winchester and the 30 Nosler, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
.308 Winchester (left) beside 30 Nosler (right), shown at the same scale.
The .308 Winchester has an overall length of about 2.81″ with a 0.309″ bullet. The 30 Nosler runs about 3.34″ on a 0.309″ bullet. That makes the 30 Nosler about 1.2x the overall length of the .308 Winchester. See the full reference for each: .308 Winchester and 30 Nosler.