.300 Norma Magnum vs .300 Lapua Magnum
A to-scale size comparison of the .300 Norma Magnum and the .300 Lapua Magnum, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
.300 Norma Magnum (left) beside .300 Lapua Magnum (right), shown at the same scale.
The .300 Norma Magnum has an overall length of about 3.68″ with a 0.308″ bullet. The .300 Lapua Magnum runs about 3.72″ on a 0.308″ bullet. The two are close in overall length. See the full reference for each: .300 Norma Magnum and .300 Lapua Magnum.