http://prntscr.com/i1r8mo
as you can see in this photo, there is a gun on the wall. This is not a editor error, Blue- knows how to make maps.
(probably 3 times better than me) This is a glitch caused by the engine marks that give you guns when you spawn.
They should be fixed A.S.A.P
another example: http://prntscr.com/hxojlq