28 Nosler vs .416 Barrett
A to-scale size comparison of the 28 Nosler and the .416 Barrett, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
28 Nosler (left) beside .416 Barrett (right), shown at the same scale.
The 28 Nosler has an overall length of about 3.34″ with a 0.284″ bullet. The .416 Barrett runs about 4.95″ on a 0.416″ bullet. That makes the .416 Barrett about 1.5x the overall length of the 28 Nosler. See the full reference for each: 28 Nosler and .416 Barrett.