WAUKESHA -- Even before the doors opened at the Waukesha Expo Center Friday, dozens were lining up to get inside the gun show.
90% percent of the dealers are licensed through the federal government. That means when they sell a firearm the buyer must fill out an application for a background check.
For rifles, like the AR-15 used int he Connecticut school shooting, if the person clears the background check they can walk out the door with it.
There's a second application for handguns, which even if cleared in the background, requires a 48 hour waiting period. That usually requires the buyer to go to the dealer's business for pick up.
But it's not the reputable dealers that gun control advocates are worried about.
It's the other unknown percentage of transactions that may occur between two separate individuals who meet each other while at the gun show.
Private sales are not subject to a background check.
But James Fendry of the Wisconsin Pro Gun Movement points that less than 1% of gun used in mass shootings originated from a gun show.
"That's about 1 in 1,000," Fendry told CBS 58 News, "most are legally purchased."
While some in the crowd were skeptical of the camera crew, many were eager to talk.
Tom and Jill from Racine brought along their 2 year old son Logan.
"It's just like going to the fair," Tom told CBS 58.
Jill his wife said the event represents memories.
"There's memories that will be made with our families using guns, hunting and going to target ranges. So yeah , it is a family thing.