Wrapping up the lower and I installed the safety selector, selecter detent and selecter spring. I installed the grip (the standard black grip that comes with most lpk's) and tightened the pistol grip screw. The screw is tight, the safety selector and trigger group functions properly but the pistol grip screw is not flush inside the grip. Is this normal or should is tighten down all the way? (I did use the lock washer as well).
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