Few details are known after Saskatoon police were called to the airport early Sunday morning.
Officials told 650 CKOM pre-board security found a magazine with bullets in it with a man around 5 a.m.
When officers arrived they quickly discovered the man was with RCMP.
No charges were laid.
According to the Canadian Air Transport Security Authority website, firearms, firearm parts, real ammunition and cartridges are not permitted in carry-on baggage under any circumstances but there are exceptions when it comes to checked luggage.
Airlines also have specific guidelines in place for firearms and ammunition.