that's what i was thinking. i know at indiana gun shows, there is a background check. the only way to purchasea gun without one here is at horse auctions and things like that or personal trades like you mentioned. a very low number.The regulations vary from state to state.Unfortunately, current federal law requires criminal background checks only for guns sold through licensed firearm dealers, which account for just 60% of all gun sales in the United States. A loophole in the law allows individuals not engaged in the business of selling firearms to sell guns without a licenseand without processing any paperwork. That means that two out of every five guns sold in the United States change hands without a background check.Though commonly referred to as the Gun Show Loophole, the private sales described above include guns sold at gun shows, through classified newspaper ads, the Internet, and between individuals virtually anywhere.Unfortunately, only six states (CA, CO, IL, NY, OR, RI) require universal background checks on all firearm sales at gun shows. Three more states (CT, MD, PA) require background checks on all handgun sales made at gun shows. Seven other states (HI, IA, MA, MI, NJ, NC, NE) require purchasers to obtain a permit and undergo a background check before buying a handgun. Florida allows its counties to regulate gun shows by requiring background checks on all firearms purchases at these events.33 states have taken no action whatsoever to close the Gun Show Loophole.http://www.csgv.org/...n-show-loopholeBy the way, since you've obviously never attempted to purchase a gun at a gun show, the guy running the booth has to call the sale in to the feds and get approval.Only if he is a licensed dealer.