.300 WSM vs 33 XC
A to-scale size comparison of the .300 WSM and the 33 XC, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
.300 WSM (left) beside 33 XC (right), shown at the same scale.
The .300 WSM has an overall length of about 2.86″ with a 0.309″ bullet. The 33 XC runs about 4.36″ on a 0.338″ bullet. That makes the 33 XC about 1.5x the overall length of the .300 WSM. See the full reference for each: .300 WSM and 33 XC.