UDP Compact
(H&k USP Compact)
General Characteristics




Magazine size



0.72 (kg)

Base cost

2800 RU

Accessible attachments


Base accuracy


Base handling



xx (xxxx DPS)

Rate of fire

325 RPM


The UDP Compact is a pistol that appears in S.T.A.L.K.E.R.: Lost Alpha and S.T.A.L.K.E.R.: Shadow of Chernobyl.

A reliable weapon. As a quality compact close-range weapon, it is very popular among the Zone veterans.
- Inventory description

Background Edit

  • A reliable weapon. As a quality compact close-range weapon, it is very popular among the Zone veterans.

Overview Edit

Often found in the possession of Duty, Freedom and Monolith faction members.

UDP Compact base stats

Base Stats

Upgrades Edit

Level 1 upgrades. Edit

More mobile slide:

  • Price: 900 RU
  • Extending the course of the slide and strengthening the retracting mechanism, makes it possible to positively affect bullet trajectory.
    • Accuracy: +35%

Expanded magazine:

  • Price: 900 RU
  • Increased capacity of the internal magazine.
  • Magazine: +8

Level 2 upgrades. Edit

Double action trigger:

  • Price: 1032 RU
  • The trigger is automatically cocking the weapon, increasing accuracy.
    • Accuracy: +5%

Chromed insides:

  • Price: 1032 RU
  • Chromium helps improve the durability of the weapon.
    • Improves weapon's durability.

Full auto mode:

  • Price: 1032 RU
  • When reassembled and retuned, the weapon can fire full auto..
    • Allows full auto mode of fire.
    • Handling: +9%
    • Recoil: -61%

Mobile slide segment:

  • Price: 1020 RU
  • A new slide segment provides increased rate of fire, without overloading other parts of the weapon.
    • Rate of fire: -2%

Level 3 upgrades. Edit

Auxiliary slide chamber:

  • Price: 1140 RU
  • An auxiliary chamber to the main blowback device reduces the amount of force needed to move the slide increasing accuracy.
    • Accuracy: +8%

Modular firing mechanism:

  • Price: 1056 RU
  • Modular firing mechanism ensures easy maintenance and replacement parts, as well as greater convenience in the use of arms.
    •  ?

Titanium receiver:

  • Price: 1032 RU
  • An almost indestructible receiver allows the weapon to serve much longer.
    • Improves weapon's durability.

Polymer buffer compensator:

  • Price: 1056 RU
  • A small polymer buffer distributes a part of the recoil.
    • Recoil: -63%

Sinusoidal rifling:

  • Price: 1104 RU
  • Sinusoidal rifling can improve its cooling and increase the rate without losing the muzzle velocity tractors flying bullets.
    • Rate of fire: +5%

Removable grip back plate:

  • Price: 1140 RU
  • A special grip shape, optimized with a mobile back plate.
    • Recoil: +57%

Barrel with simplified rifling:

  • Price: 1056 RU
  • Simplified, shallow rifling can increase the rate of fire, which is important in close quarters combat with the enemy.
    • Rate of fire: +0%

Padded grip:

  • Price: 1050 RU
  • A padded grip makes the recoil less tangible.
    • Recoil: -63%

Notes Edit

  • Weapon does not need to be upgraded in order to attach a Silencer.

Gallery Edit

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