.223 Remington vs 33 Nosler
A to-scale size comparison of the .223 Remington and the 33 Nosler, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
.223 Remington (left) beside 33 Nosler (right), shown at the same scale.
The .223 Remington has an overall length of about 2.26″ with a 0.225″ bullet. The 33 Nosler runs about 3.34″ on a 0.339″ bullet. That makes the 33 Nosler about 1.5x the overall length of the .223 Remington. See the full reference for each: .223 Remington and 33 Nosler.