Blume 357 I hope this helps you. Here is a portion of the law with a link to the entire text.
Note the sections on alcohol as pertaining to firearms in the link I posted. The gaming establishments that serve alcohol would be germane here.
NRS 202.3688 Circumstances in which holder of permit issued by another state may carry concealed firearm in this State; holder of permit issued by another state subject to same restrictions and requirements as holder of permit issued in this State.
1. Except as otherwise provided in subsection 2, a person who possesses a permit to carry a concealed firearm that was issued by a state included in the list prepared pursuant to NRS 202.3689 may carry a concealed firearm in this State in accordance with the requirements set forth in NRS 202.3653 to 202.369, inclusive.
2. A person who possesses a permit to carry a concealed firearm that was issued by a state included in the list prepared pursuant to NRS 202.3689 may not carry a concealed firearm in this State if the person:
(a) Becomes a resident of this State; and
(b) Has not been issued a permit from the sheriff of the county in which he resides within 60 days after becoming a resident of this State.
3. A person who carries a concealed firearm pursuant to this section is subject to the same legal restrictions and requirements imposed upon a person who has been issued a permit by a sheriff in this State.
(Added to NRS by 2007, 3150)
NRS 202.3673 Permittee authorized to carry concealed firearm while on premises of public building; exceptions; penalty.
1. Except as otherwise provided in subsections 2 and 3, a permittee may carry a concealed firearm while he is on the premises of any public building.
2. A permittee shall not carry a concealed firearm while he is on the premises of a public building that is located on the property of a public airport.
3. A permittee shall not carry a concealed firearm while he is on the premises of:
(a) A public building that is located on the property of a public school or a child care facility or the property of the Nevada System of Higher Education, unless the permittee has obtained written permission to carry a concealed firearm while he is on the premises of the public building pursuant to subparagraph (3) of paragraph (a) of subsection 3 of NRS 202.265.
(b) A public building that has a metal detector at each public entrance or a sign posted at each public entrance indicating that no firearms are allowed in the building, unless the permittee is not prohibited from carrying a concealed firearm while he is on the premises of the public building pursuant to subsection 4.
4. The provisions of paragraph (b) of subsection 3 do not prohibit:
(a) A permittee who is a judge from carrying a concealed firearm in the courthouse or courtroom in which he presides or from authorizing a permittee to carry a concealed firearm while in the courtroom of the judge and while traveling to and from the courtroom of the judge.
(b) A permittee who is a prosecuting attorney of an agency or political subdivision of the United States or of this State from carrying a concealed firearm while he is on the premises of a public building.
(c) A permittee who is employed in the public building from carrying a concealed firearm while he is on the premises of the public building.
(d) A permittee from carrying a concealed firearm while he is on the premises of the public building if the permittee has received written permission from the person in control of the public building to carry a concealed firearm while the permittee is on the premises of the public building.
5. A person who violates subsection 2 or 3 is guilty of a misdemeanor.
6. As used in this section:
(a) “Child care facility” has the meaning ascribed to it in paragraph (a) of subsection 5 of NRS 202.265.
(b) “Public building” means any building or office space occupied by:
(1) Any component of the Nevada System of Higher Education and used for any purpose related to the System; or
(2) The Federal Government, the State of Nevada or any county, city, school district or other political subdivision of the State of Nevada and used for any public purpose.
Ê If only part of the building is occupied by an entity described in this subsection, the term means only that portion of the building which is so occupied.
(Added to NRS by 1995, 2725; A 1997, 63; 1999, 2767; 2007, 1914)
http://www.leg.state.nv.us/NRS/NRS-202.html#NRS202Sec3653