krieg's first shot accuracy is substantially better than an ak's whether scoped or unscoped. You can counterstrafe and scope in the same instant (there is no delay between when you scope an and attain the accuracy bonus, similar to awping in 1.6) so scope strafing speed is largely irrelevant. Its recoil pattern is objectively better than the ak's as it has less variance and is more linear with fewer directional changes.
The only thing the ak has over the krieg is strafing speed (215 ups vs 210 ups, if I recall correctly). You should familiarize yourself with the krieg, it is very useful. Both you and the guy I replied to have shared your opinions regarding the gun citing weapon stats that are objectively wrong.