I made it to St. Louis, and so did my Glock. The check in process was painless. They didn’t even ask to inspect it. I’m guessing the x-ray machine they use can see whether a round is in the chamber, but there was a big cable lock through the magazine well and slide. I thought I heard one TSA agent mention it was a Glock. Another actually came over, saw my NRA shirt, and asked me if I was a member, when I affirmed, he started asking me about good pistols to get started with handgun shooting on. I told him I was a Glock man, but that some people don’t like them, and SIGs are also pretty good. Either way, I was happy it was such a painless process.  I will not hesitate to travel with a firearm again.