.224 Valkyrie vs .243 Ackley Improved
A to-scale size comparison of the .224 Valkyrie and the .243 Ackley Improved, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
.224 Valkyrie (left) beside .243 Ackley Improved (right), shown at the same scale.
The .224 Valkyrie has an overall length of about 2.26″ with a 0.225″ bullet. The .243 Ackley Improved runs about 2.71″ on a 0.243″ bullet. That makes the .243 Ackley Improved about 1.2x the overall length of the .224 Valkyrie. See the full reference for each: .224 Valkyrie and .243 Ackley Improved.