SPSA-14
Description
A distinctive shotgun designed to accommodate various rounds, including police ammunition. Although weighty, it boasts excellent firepower.
Weapon Stats
Damage
140
Penetration
2
Range
1,500
Interactive Map Locations
196709. The Zone Map
Located inside the open vent. Throw a couple of grenades in the vent to blow it out of it. Alternatively, keep jumping at the vent while repeatedly pressing the F-Key to pick it up.
198053. The Zone Map
Inside an overturned wooden box in the attic. To get up there, look for a ladder on the building’s second floor.
199167. The Zone Map
On top of a workbench in the locked room. To get inside, grab a 
Key inside the concrete tower to the east.
199447. The Zone Map
Found in a small room soon after exiting the underground base’s corridor filled with corpses. Can only be accessed during a late-game story mission.
240936. The Zone Map
Located on the crate (under the ammo crates) behind the locked gate.
The location for the SPSA-14 near gordon (locomotive station)
https://www.gamerguides.com/stalker-2-heart-of-chornobyl/maps/the-zone-map?markerId=198052#comments-section-6-284
does not seem to be accurate anymore. Alltrough a litte to the north at the pig-farm the weapon still is to be found.
The location for the SPSA-14 near gordon (locomotive station)
https://www.gamerguides.com/stalker-2-heart-of-chornobyl/maps/the-zone-map?markerId=198052#comments-section-6-284
does not seem to be accurate anymore. Alltrough a litte to the north at the pig-farm the weapon still is to be found.