You can’t bring replica weapons in your carry on but you can’t check those weapons either if they have lithium ion batteries.
However like Captain Kirk in the Kobayashi Maru exercise, there may be a way out of this double-bind: the US government doesn’t seem to care that they otherwise consider lithium ion batteries dangerous in checked bags if you’re departing certain countries in the Mideast.
Consider checking your World of Warcraft items ex-Dubai!
(HT: Kotaku.com)
How dare you point out illogical inconsistencies!! (tongue in cheek for those who are irony challenged)