Im no lawyer, but I think youre outta luck-
http://ordlink.com/codes/lasvegas/_DATA/TITLE10/Chapter_10_70_DANGEROUS_OR_DEA.html
10.70.010 Defined.
Dangerous or deadly weapons includes, but it not limited to:
(A) Any dirk or dagger;
(B) Any knife with a blade three inches or more in length;
(C) Any snap-blade or spring-blade knife, regardless of length of the blade;
(D) Any ice pick or similar sharp stabbing tool;
(E) Any straightedge razor or any razor blade fitted to a handle;
(F) Any dangerous or deadly weapon within the meaning of any law of this State restricting the use thereof; and
(G) Any cutting, stabbing or bludgeoning weapon or device capable of inflicting grievous bodily harm; and
(H) Any firearm other than one carried pursuant to a valid permit issued by a duly authorized governmental authority or an ordinary rifle or shotgun lawfully carried for purposes of hunting or other lawful sport.
(1949 code Ch. 38 § 4; prior code § 6-3-4)
This is how I found it-
Go here:
http://ordlink.com/codes/lasvegas/index.htm
click:
"Title 10 PUBLIC PEACE, MORALS AND WELFARE"
Scroll on right to:
Division IX WEAPONS
Click:
Chapter 10.70 DANGEROUS OR DEADLY WEAPONS