7mm-300 PRC vs 33 XC
A to-scale size comparison of the 7mm-300 PRC and the 33 XC, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
7mm-300 PRC (left) beside 33 XC (right), shown at the same scale.
The 7mm-300 PRC has an overall length of about 3.70″ with a 0.284″ bullet. The 33 XC runs about 4.36″ on a 0.338″ bullet. That makes the 33 XC about 1.2x the overall length of the 7mm-300 PRC. See the full reference for each: 7mm-300 PRC and 33 XC.