AK4D OPTIONS

The KAC sr-twenty five I passed on effortlessly shot fewer than MOA. But no interchange in a position process of include-ons and no FA and no 22 package or observe ammo.So what else is different on these to build a decent clone? I understand the bolt carrier has a scalloped notch in it, the grip body is marked "S-P-A" along with the sights are lopp