People with certain criminal convictions, mental illnesses and drug addictions are barred from possessing a gun.

People buying rifles or shotguns can walk out of a store with their purchase the same day. But Vincent Saulsbury, a manager at Duffy's Gun Room in Sparks, said he still has to do a records check in an FBI database before making a sale.

Virginia law makes no distinctions between types of guns and has no waiting period for purchases; records checks are completed on the spot.

Charles Nesby, chief firearms instructor at NOVA Firearms in Falls Church, Va., said he recommends that buyers take a gun course and find a weapon that fits their needs.

"One, it's good business. And two, it's safe," he said.

Nesby said Maryland buyers are not allowed to cross the border to get more ready access to guns. Sales to Marylanders must be completed through a licensed dealer in the state, he said.

Bill Mayne, a Middle River resident who works for the Maryland Transit Administration, said he doesn't feel the sense of worry that many gun owners do. He said he does not believe there is sufficient political will to severely restrict access to firearms.

"I have more faith in the government than a lot of people, no matter who's in there," he said.

Seeing the long line as the doors were about to open at the Timonium show Friday, Mayne decided to come back later.

"I can wait," he said. "The world's not going to come to an end."

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Maryland gun laws

•Seven-day waiting period for handguns and assault-type weapons.

•Some criminal convictions, drug addition and mental illness bar ownership.

•Online gun safety training or other qualifying course required before purchase of regulated guns.

•Individuals selling regulated guns must do so at a gun store or state police barracks.

•Go-ahead to buy does not give license to carry a handgun.

•No waiting period to buy a shotgun or rifle.