.300 Norma Magnum vs 33 Nosler
A to-scale size comparison of the .300 Norma Magnum and the 33 Nosler, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
.300 Norma Magnum (left) beside 33 Nosler (right), shown at the same scale.
The .300 Norma Magnum has an overall length of about 3.68″ with a 0.308″ bullet. The 33 Nosler runs about 3.34″ on a 0.339″ bullet. That makes the .300 Norma Magnum about 1.1x the overall length of the 33 Nosler. See the full reference for each: .300 Norma Magnum and 33 Nosler.