Survailance room (box) (1 pistol) (need level 3 key card) (allways spawn's)
Storage room 6c (on a shelf) (1 pistol) (need level 1 key card) (MOSTLY A MEDKIT SPAWNS/BATTERY) (the gun may spawn on other shelf's) (very rare spawn)
One instance of it spawning

SCP-096 cell (2 guns)
(one next to cell (no need key card) (1 shotgun) (remigton)((SOMETIMES LVL 4 KEYCARD MAY SPAWN)(room on the left)
(one next to left room (lvl 3 keycard ) (1 sub machine gun) (mp5, vector, smg) (around 75% spawn rate) (SOMETIMES LVL 4 KEYCARD MAY SPAWN OR SCRAMBLE GEAR) room to the right)
Some times instead of S.C.R.A.M.B.L.E gear may spawn: mp5, vector, smg.
elevetor? (need level 3 keycard) (1 pistol) (allways spawn's)

Custom server's have a plugin/addon that allows to add special gun's spawn.
[LATAM/ESP] PROJECT NOVA l BREACH
Armory room (need level 3 keycard) (1 Five-Seven, 1 MP-4, 1 Shotgun All-way's spawn's) Next to it((Backpack not sure if someone droped it or its spawn's there)2 Balistic vests, 1 heavy helmet, 3 big medkit's, night vision google's)
SCP-079's Hall-way (need level 3 keycard?) (P-90) (All-way's spawn's) Next to it is (Level 4 key-card, all-way's spawn's next to P-90)
Dr. Maynard's office (M-14 All-ways spawn's) Next to it is(Level 4 keycard and a kevlar vest) (Code to the office is in SCP-106's demention on a paper note)
Command meeting room (MINIGUN!!!) (All-way's spawn's)
Break room ((need level 2 keycard))(FIve-Seven all-way's spawn's)
Omega warhead silo (need level 5 keycard) (M-16 All-way's spawn's) Near it is also (Balistic vests and a heavy helmet)
SCP-939's (no need for keycard )spawn/Elevator at scientist's spawn (Five-Seven all-way's spawn's)
SCP-009 (need level 3 keycard) (Vector all-way's spawn's)
[AU/NZ] Foudation #1 l Foudationservicies********
SCP-106's (need level 4 keycard) observasion room (??? All-way's spawn's)

this is version 0.1 so in the futre there might be new guns spots added