I flew With two long guns last month on AA. Was closing out a relative’s estate and needed to bring them home. Went to Bass Pro Shop and bought their least expensive plastic double rifle case, and three padlocks After researching the rules it seems you can put as many guns as you can fit in the case. When I checked in they asked it they were unloaded, and I signed a form. No visual inspection. I’ve flown with guns before and have never had them ask to see the contents.