NOT KNOWN DETAILS ABOUT AK4D

After i termed hk in Virginia in 1991 I questioned about use out. They laughed and advised me to phone back again right after 100k rounds. Word for word thats what im was advised.The KAC sr-twenty five I handed on effortlessly shot below MOA. But no interchange ready system of insert-ons and no FA and no 22 kit or observe ammo.the logical step to m