Hey buddy, glad to see your coming to town. Open Carry is definitely legal in Nevada and Las Vegas. If you would have taken a look at the Nevada (Open) Carry Pamphlet sticky on our Nevada section then the pdf will give you a most of the information pertaining to open carry. I'm not exactly sure about if any steps need to be taken when coming from out of state to Las Vegas, but my other friends here will be able to clarify that. As for carrying on the strip and in casinos, you can legally, but if the casino security sees it. The security guards will ask you to either leave or store it in your vehicle or room.