I'm trying to remove the plastic buttstock from my Lancaster AK-74 and after following the directions I've scoured on the web I've had no success. Both screws have been removed and after tugging and whacking the darn thing it still won't budge. All the directions I found focused on removing the stock for an AK-47 so the inside of my rifle is set up a little differently. Is there some trick to getting this thing out or have others run into the same problem as me?