6.5 PRC vs 30 XC
A to-scale size comparison of the 6.5 PRC and the 30 XC, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
6.5 PRC (left) beside 30 XC (right), shown at the same scale.
The 6.5 PRC has an overall length of about 2.96″ with a 0.264″ bullet. The 30 XC runs about 4.21″ on a 0.308″ bullet. That makes the 30 XC about 1.4x the overall length of the 6.5 PRC. See the full reference for each: 6.5 PRC and 30 XC.