January 3, 2013 -- Updated 1118 GMT (1918 HKT) Many of the guns discovered at checkpoints were loaded, according to the TSA iReport: Was your gun banned? Read more: FBI gun background checks hit record highs "They can be permitted to take the weapon back to (their) car and come back," Castelveter said. Watch: Giving up guns The TSA blog highlights a wide variety of prohibited items discovered in carry-on bags. Poll: Majority favors gun restrictions January 3, 2013 -- Updated 1246 GMT (2046 HKT) January 3, 2013 -- Updated 1420 GMT (2220 HKT)