Stalker 2: Heart of Chornobyl has a lot of unique weapons in the game that are either modified or more powerful versions of the base variant. One of these unique weapons is the Texan, which is one of the best guns in the game due to its incredible rate of fire and damage. Players can find this weapon in one of the endgame areas called Jupiter. So, you can get this weapon at the end of the game, or you can visit Jupiter first by following the Stalker 2 Pripyat guide.
2:50

related
Stalker 2: How to open a locked door in a bakery in Jupiter
When players visit the Bread Factory, they can find a locked door in the Jupiter area of Stalker 2 with some great loot behind it.
How to get the unique Texan gun in Stalker 2
Players can find unique Texan guns from Abandoned Science Campus found in Jupiter's region Stalker 2: Heart of Chornobyl. The location is south of the Pripyat-1 Checkpoint POI and northeast of the Yaniv camp. If you visited the Jupiter Market to pick up the Rhino gun, it's close by so you can get two unique weapons at once.
As soon as you enter the Abandoned Science Campus, you will find many bunkers in the area. Although most of them are sealed, one of them is open, which you can enter to get the Texan gun. Be careful, there is a Pseudogiant in the area that will attack you right in front of you.
Find and enter the Bunker in the Abandoned Science Campus
The bunker you need to enter is it is on the west side points of interest on the map. Continue along the path until you see an open door leading to one of the bunkers.
As soon as you enter the bunker, continue down the winding corridor and turn left to enter the laboratory section of the bunker.
Get the Texan Shotgun and its stats
When you first enter the lab, look to the right to see the Texan rifle sitting on the table with ammo. Capture the Texan, as well as other resources and supplies in the bunker. When you're done, make sure to check the rest of the bunker for some loot scattered inside.
Texan features maximum effectand a rate of fire that is almost identical to the Saiga D-12 rifle. It also has great penetration power against enemies wearing body armor or an exoskeleton Stalker 2.