.223 Remington vs 7mm-300 PRC
A to-scale size comparison of the .223 Remington and the 7mm-300 PRC, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
.223 Remington (left) beside 7mm-300 PRC (right), shown at the same scale.
The .223 Remington has an overall length of about 2.26″ with a 0.225″ bullet. The 7mm-300 PRC runs about 3.70″ on a 0.284″ bullet. That makes the 7mm-300 PRC about 1.6x the overall length of the .223 Remington. See the full reference for each: .223 Remington and 7mm-300 PRC.