6.5-284 Norma vs 33 Nosler
A to-scale size comparison of the 6.5-284 Norma and the 33 Nosler, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
6.5-284 Norma (left) beside 33 Nosler (right), shown at the same scale.
The 6.5-284 Norma has an overall length of about 3.23″ with a 0.264″ bullet. The 33 Nosler runs about 3.34″ on a 0.339″ bullet. The two are close in overall length. See the full reference for each: 6.5-284 Norma and 33 Nosler.