What happens when one law says that you can and the other law says that you can't? Well, let's enter the world of Perplexity and see what we can find.
To begin, we have to look at Count II of the Superseding Indictment. In the Indictment, it reads like this:
(Possession of Firearms and Dangerous Weapons in Federal Facilities)
(18 U.S.C. §§ 930(b) and 2)
On or about January 2, 2016, and continuing through February 12, 2016, in the District of Oregon, defendants [lists names of Defendants], and aided and abetted by each other and by others known and unknown to the grand jury, did knowingly possess or cause to be present a firearm or dangerous weapon in a federal facility located at the Malheur National Wildlife Refuge, and counseled, commanded, induced and procured the commission thereof, with the intent that the firearm or dangerous weapon be used in the commission of a crime, to wit: 18 U.S.C. § 372, Conspiracy to Impede Officers of the United States, in violation of Title 18, United States Code, Sections 930(b) and 2.