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☆ How to Get All Unique Weapons
This is a guide on how to get the Integral-A, an SMG in STALKER 2 Heart of Chornobyl. Learn how to get the Integral-A, where to upgrade it, and its stats, such as damage, weight, and caliber.
| Reloading Point (Cement Factory) |
Rostok Base (Rostok) |
| STC Malachite (Malachite) |
Yaniv Station (Yaniv) |

You can find an Integral-A in a hidden area of the Reloading Point in Cement Factory. Look for a building on the west end of the site and find a hole on the east wall. Crawl through it and you'll find loot inside including an Integral-A.

Integral-A has a chance to appear in Eugene's stock at Rostok base in the Rostok region. The traders Birch and Ragman can also be found within the base.
You can reach Rostok once you have earned access to checkpoint exits in the Lesser Zone. Depending on the checkpoints you exited, you can reach Rostok north of the Chemical Plant or west of Garbage (Slag Heap) regions.
| Map Image | Overworld Image |
|---|---|
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There is a chance that the Buket S-2 can appear in stock at Viktoria Dorozhnyuk's shop in STC Malachite. This location is to the west of the Zone past the Chemical Plant region. You can either bribe the guards or obtain a Malachite Pass to get inside the base.

The Integral-A has a chance to appear in Wreck's at the Yaniv Station base in the Yaniv region. Yaniv is found north of the Red Forest region, which is far northwest past Rostok.
Holographic Sight
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RNBW 2X Scope
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Pistol Silencer
|
|
|

The Integral-A can be upgraded at the Technician Screw in Rostok. In Rostok, Screw's room can be found beside the same building of the traders Birch and Eugene, and is also near the room of your bed and stash.

The Integral-A can be upgraded at the Technician Harpy in Yaniv Station. Harpy's room is just right beside your bed and stash and is also near the trader Wreck's room.
| Damage | 0.7 | ![]() |
|---|---|---|
| Penetration | 2.9 | ![]() |
| Rate of Fire | 5 | ![]() |
| Range | 1.6 | ![]() |
| Accuracy | 3.9 | ![]() |
![]() |
|||||
| Type | SMG | ||||
|---|---|---|---|---|---|
| Description | |||||
| An elite submachine gun renowned for its effectiveness in cofined spaces. A favorite among seasoned diggers. | |||||
| Weight | Magazine | Coupons | |||
| 3.2 kg | 20 |
17000
|
|||
| Caliber | 9x19 | ||||
| Inventory Size | Mode | ||||
4x2
|
|
||||

| List of All Weapon Types | |
|---|---|
| Assault Rifles | Pistols |
| SMGs | Machine Guns |
| Shotguns | Snipers |
| Grenades and Launchers | - |
| All Assault Rifles | ||
|---|---|---|
AKM-74S |
AKM-74U |
AR416 |
AR416 Monolith |
AS Lavina |
Clusterfuck |
Combatant |
Decider |
Dnipro |
Drowned |
Fora-221 |
GP37 |
Grom S-14 |
Grom S-15 |
Kharod |
Lullaby |
SA-U Gabion |
SOFMOD |
Sotnyk |
Special |
Spitfire |
Trophy |
Unknown Stalker's AR416 |
Valik Lummox's AKM-74S |
| All Machine Guns | ||
Beast |
Glutton |
RPM-74 |
| All Pistols | ||
APSB |
Deadeye |
Encourage |
Gambit |
Labyrinth IV |
Model Competitor |
PTM |
PTM Monolith |
Rhino |
Skif's Pistol |
UDP Compact |
- |
| All Shotguns | ||
Boomstick |
M860 Cracker |
M860 Monolith |
Margach D-12MT |
Predator |
Ram-2 |
Saiga D-12 |
Sledgehammer |
SPSA-14 |
Texan |
Toz-34 |
- |
| All SMGs | ||
Buket S-2 |
Gangster |
Integral-A |
M10 Gordon |
Rat Killer |
Riemann |
Shah's Mate |
Spitter |
Viper Monolith |
Viper-5 |
Zubr-19 |
- |
| All Snipers | ||
Cavalier |
EM-1 |
Gauss Gun |
Hunter |
Lynx |
M701 Super |
Mark 1 EMR |
Merc |
Partner |
SVDM-2 |
SVU-MK S-3 |
Veteran |
VS Vintar |
Whip |
- |
| All Grenades and Launchers | ||
F-1 Grenade |
RGD-5 Grenade |
RPG-7U |
Found this on a body during the SIRCAA story missions in the underground tunnel after being forced to make a choice. Doesn't matter which way you choose, the gun appears either way.
How to Get the Integral-A and Stats



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You can upgrade Integral A at Cement Factory technician. I have green reputation with them though.