A man who stole a gun from a pawn shop and then tried to rob a home with the firearm has been hit with felony charges.The burglar, Garrett Randal Duggin, 32, is charged with aggravated assault and aggravated burglary.His charges come after police responded to the burglary of Cash-4-U Pawn on Smithville Highway around 1:45 a.m. Wednesday. When they arrived they found the front door glass had been shattered. A quick inventory revealed jewelry and a handgun had been taken.Even as they were investigating the break-in, officers were dispatched to Hannah Street in the city where an altercation was taking place.