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PSS: Russia's Silent Captive-Piston Handgun (Ad-free) (Patreon)

Published:
2025-12-13 12:00:05
Imported:
2026-06
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PSS: Russia's Silent Captive-Piston Handgun (Ad-free)

The best firearms reference books: https://www.headstamppublishing.com The PSS is a semiautomatic pistol using captive piston ammunition to achieve a comparable level of sound suppression to a .22 pistol with a good normal suppressor. It was developed to replace a couple multi-barrel derringer style captive piston pistols in Soviet use, with the semiautomatic action and (6-round) detachable magazines making it suitable for a wider variety of missions than the previous guns. It was given the GRU catalog designation 6P28 and entered service in 1983. It fires a cylindrical steel projectile weighing 155 grains at about 620 fps, with a noise of 122 dB (1m left of the muzzle) as measured by silencer legend Phil Dater. Mechanically, the design takes its fire control system from the Makarov but uses a floating chamber system to cycle reliably with the unique ammunition. After the fall of the Soviet Union, the pistols were available for commercial export by Russian state-run export companies, although that ended in 2018. In Russian service, the PSS was replaced with the much improved PSS-2 in 2011. http://www.patreon.com/ForgottenWeapons http://www.floatplane.com/channel/ForgottenWeapons Cool Forgotten Weapons merch! http://shop.forgottenweapons.com

Comments

GaryG

That’s super kewl. I’d suppose getting ammo to actual shoot one of these that one might find in the wild would be another magic trick. Another gyrojet. Lol.

Kenneth Marshall

Radium paint would still be radioactive - it has a 1600 year half life, but is so multi-spectral I energy it destroys a phosphors ability to glow over time but the radium remains. It likely is an H3 tritium based paint like zinc sulfide and tritium mixed with paint which will glow - not as nicely as a glass ampule filled with tritium like Trijicon.

Trevor Kruwel
>>196585173

It's obviously still made or available in some quantities around Russia. I've seen pictures of several Ukranian/Russian reconnaissance and sabotage groups carrying them

Guido Schriewer

hey wait a second! what about the rest of that russian girl of that add? compared to a normal makarov with added can.... why.

Baron Engel

Ian a what-if question. If you were able to import a PSS into the United States would the pistol fall under the NFA regulation? Itself doesn't have a suppressor? Instead would the ammunition require a tax stamp for each live cartridge since it's the source of the suppressing the sound of firing?

AnotherPatreonUser

I assume the most significant thing in its favour is its relatively short overall length. I'm not that knowledgeable about suppressors, but I'd imagine even a 22lr pistol with even the shortest (effective) suppressor would be notably longer than the PSS. I'd guess for its primary use as an assassin's close range tool, the problems of logistics (the unique ammunition) and the poor handling would be less of a concern. Eh, but my guesses are worth about as much as you imagine they are! 😄

Thomas Batha
>>196623272

You are exactly right-- A PPK (for instance) with a suppressor can would be about double the overall length.

David T Klein

But can that Mangione kid get those super-sneaky mostly-silent bullets for one of these ?

FrugelViewer

A question and a thought/idea. What is the chamber pressure? It would be interesting to attach a really goo suppressor to one of these and see what that combined with the piston case produces for sound.