.224 Valkyrie vs .300 PRC
A to-scale size comparison of the .224 Valkyrie and the .300 PRC, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
.224 Valkyrie (left) beside .300 PRC (right), shown at the same scale.
The .224 Valkyrie has an overall length of about 2.26″ with a 0.225″ bullet. The .300 PRC runs about 3.70″ on a 0.308″ bullet. That makes the .300 PRC about 1.6x the overall length of the .224 Valkyrie. See the full reference for each: .224 Valkyrie and .300 PRC.