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The HPSS-1M 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.


This pistol deserves to be considered as one of the best pistols of the 20th century. It is reliable, powerful and has a good grouping of shots. The magazine can hold 13 rounds.
- Inventory description

Overview

  • Can be equipped with a silencer.

Upgrades

Lost Alpha

List of upgrades
Level 1 upgrades.

Slow slide rollback system:

  • Price: 288 RU
  • The new system reduces recoil, slowing down the rollback and return.
    • Recoil: -18%

Expanded magazine:

  • Price: 300 RU
  • Increased capacity of the internal magazine.
    • Magazine: +4

Level 2 upgrades.

Integrated barrel recoil compensator:

  • Price: 336 RU
  • Additional compensation holes made in the barrel can markedly reduce recoil
    • Recoil: +46%

Double action trigger:

  • Price: 336 RU
  • The trigger is automatically cocking the weapon, increasing accuracy.
    • Accuracy: +3%

Longer barrel:

  • Price: 420 RU
  • By replacing the standard barrel with a longer one, growing flat trajectory bullets.
    •  ?

Mobile slide segment:

  • Price: 420 RU
  • A new slide segment provides increased rate of fire, without overloading other parts of the weapon.
    • Rate of fire: -0%

Level 3 upgrades.

Padded grip:

  • Price: 432 RU
  • A padded grip makes the recoil less tangible.
    • Recoil: +66%

Dual mode of fire:

  • Price: 432 RU
  • Next step to maximize ergonomic and easy to use weapons: rapid change mode trigger group.
    • Handling: +2%
    • Weight: -0.38kg

Barrel tilt system:

  • Price: 504 RU
  • A new locking system with a more complete transfers of the energy of powder gases enhances the muzzle velocity of the bullet trajectory.
    •  ?

Ergonomic grip:

  • Price: 480 RU
  • A more comfortable grip simplifies handling of weapons.
    •  ?

Barrel with polygonal rifling:

  • Price: 576 RU
  • Polygonal rifling of the barrel is best suited for sniper rifles, as it improve muzzle velocity.
    •  ?

Polymer frame:

  • Price: 528 RU
  • Changing the basic framework for a lighter one, but no less firm.
    • Handling: -8%
    • Weight: -0.43kg

Sinusoidal rifling:

  • Price: 504 RU
  • Sinusoidal rifling can improve its cooling and increase the rate without losing the muzzle velocity tractors flying bullets.
    • Rate of fire: +1%

Conversion to the 9x18 mm:

  • Pride 660 RU
  • The calibre of the weapon can be changed by modifying its internal mechanics.
    • Converts weapon to use 9x18mm ammunition.

Developer's Cut

List of upgrades
ID Icon Upgrade Description
Cost Effect Requirements
1A Ui inGame2 upgrade HPSS 1m 1.png Mobile slide segment A new slide segment provides increased rate of fire, without overloading other parts of the weapon.
450 RU

Rate of fire +15%


1C Ui inGame2 upgrade HPSS 1m 2.png Barrel tilt system A new locking system with a more complete transfer of energy of powder gases enhances the muzzle velocity of the bullet trajectory.
900 RU

Bullet velocity +30%

1D Ui inGame2 upgrade HPSS 1m 3.png Slow slide rollback system The new system reduces recoil, slowing down the rollback and return.
900 RU

Recoil -20%

1E Ui inGame2 upgrade HPSS 1m 4.png Integrated barrel recoil compensator Additional compensation holes made in the barrel can markedly reduce recoil.
1350 RU

Recoil -30%

2A Ui inGame2 upgrade HPSS 1m 5.png Longer barrel By replacing the standard barrel with a longer one, growing flat trajectory bullets.
450 RU

Bullet velocity +15%

Tools for rough work (v1.4005+)

2C Ui inGame2 upgrade HPSS 1m 6.png Chromed insides Chromium helps improve durability of the barrel of the weapon.
980 RU

Reliability +25%

2E Ui inGame2 upgrade HPSS 1m 7.png Sinusoidal rifling Sinusoidal rifling can improve its cooling and increase the rate without losing the muzzle velocity tractors flying bullets.
1400 RU

Rate of fire +20%

2F Ui inGame2 upgrade HPSS 1m 8.png Barrel with polygonal rifling Polygonal rifling of the barrel is best suited for sniper rifles, as it improve muzzle velocity.
450 RU

Bullet velocity +15%

3A Ui inGame2 upgrade HPSS 1m 9.png Polymer frame Changing the basic framework for a lighter one, but no less firm.
480 RU

Weight -0.35 kg


3C Ui inGame2 upgrade HPSS 1m 10.png Ergonomic grip A more comfortable grip simplifies handling of weapons.
900 RU

Handling +20%

3D Ui inGame2 upgrade HPSS 1m 11.png Padded grip A padded grip makes the recoil less tangible.
900 RU

Recoil -20%

4A Ui inGame2 upgrade HPSS 1m 12.png Double action trigger The trigger is automatically cocking the weapon, increasing accuracy.
450 RU

Accuracy +20%

Tools for rough work (v1.4005+)

4C Ui inGame2 upgrade HPSS 1m 13.png Modular firing mechanism Modular firing mechanism ensures easy maintenance and replacement parts, as well as greater convenience in the use of arms.
850 RU

Reliability +25%

4E Ui inGame2 upgrade HPSS 1m 14.png "Dual" mode of fire next step to maximize ergonomic and easy to use weapons: rapid change mode trigger group.
1600 (-v1.4005) / 1050 (v1.4007) RU

Handling +40%

5A Ui inGame2 upgrade HPSS 1m 15.png Expanded magazine Increased capacity of the internal magazine.
1550 (-v1.4005) / 1050 (v1.4007) RU

Mag. size +4


5C Ui inGame2 upgrade HPSS 1m 16.png Conversion to 9x18 mm The calibre of the weapon can be changed by modifying its internal mechanics.
2800 (-v1.4005) / 1300 (v1.4007) RU

Change calibre to "9x18"


Notes

Trivia

Gallery

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