I travelled back and forth between SE Asia and the US with
holsters, belt, mag holders, etc and no one has ever said a thing
while my bags were inspected. Once on a flight to Singapore, I
missed my flight and got re-directed to China for a connection.
That was the only time I came close to worrying becos' the guy who
inspected my bag flip when he saw the gear 
Hey, did you know that the USPSA/IPSC Nationals is next week? If
you can afford the time, it's in Tulsa, OK.