NOT KNOWN FACTUAL STATEMENTS ABOUT AK4D

The KAC sr-25 I passed on effortlessly shot lower than MOA. But no interchange capable method of add-ons and no FA and no 22 package or observe ammo.What exactly else differs on these to build a decent clone? I know the bolt carrier incorporates a scalloped notch in it, the grip frame is marked "S-P-A" and also the sights are lopped off with an ext