22 KE Hornet same as 22 Ackley Hornet

What difference if any is there between the 22 KE Hornet and the 22 Ackley Hornet? Is it true the current 22 K Hornet reloading dies are for the KE Hornet and not the original 1940s K-Hornet? Does anyone have chamber dimension drawings for all three? Thanks.