Glad you asked...
Law enforcement officials look for weapons that have been altered or enhanced when raiding for illegal weapons. Semi automatic weapons are illegal in most states.
Then again, this answer might help you...
Be aware that in most states, this completely illegal or requires special permits to do. As a matter of fact, I believe it is a felony in most states. For more information look here: Full Auto SKS http://kalashnikov.guns.ru/wwwboard/boar...;

