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Specna Arms PPK-20 SA-J20 Vapor GBB Submachine Gun – Black

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€448.50
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€448.50

Specna Arms PPK-20 SA-J20 Vapor GBB Submachine Gun – Black

A gas-powered replica of a submachine gun based on the PPK-20 model. The design is tailored for fast-paced gameplay at close range, where compact dimensions and good maneuverability in confined spaces are essential. The use of a Blow-Back system and metal components enhances the realism of the experience.

damage-resistant construction

The model is constructed from a combination of durable materials. Steel is used for the body, the receiver cover, the muzzle device, the fire selector components, the magazine catch and the recoil system components, among other parts. The use of metal parts increases the rigidity of the entire structure and its resistance to heavy use.

Aluminum components include the outer barrel, dummy gas tube, bolt, reloading handle, and magazine housing. This has allowed for weight reduction in selected components while maintaining high durability.

polymer handguard in M-LOK standard, mounting rails, sighting devices

The front of the gun is equipped with a polymer handguard featuring M-LOK slots and RIS rails. This design allows for the mounting of additional accessories, such as a red dot sight, tactical light, vertical grip, or laser pointer. The top of the body features a long mounting rail for installing optics.

The polymer is also used for the ergonomic pistol grip and the adjustable stock, which features a rubber recoil pad to improve stability when taking aim. The model is equipped with mechanicalsighting devices.

adjustable stock, double-sided fire selector, reinforced front

Adjustable in 9 positions, the stock allows for the adjustment of the replica's length to the shooter's silhouette and equipment used. The model is equipped with a double-sided fire selector ensuring convenient weapon handling for both right- and left-handed users.

blow-back mechanism and npas

The gun is equipped with a Blow-Back mechanism generating a noticeable recoil during shooting. Thanks to the implementation of the NPAS pressure regulation system, the user can adjust the initial velocity and operation of the Blow-Back to their own preferences. The replica can fire in both single and continuous mode.

powered by green gas, hop-up system

The model is powered by Green Gas and generates a muzzle velocity of approximately 320 FPS. The Hop-Up system stabilizes the trajectory of the BB and improves the effective range of the replica. Compact dimensions of the weapon facilitate operability in tight spaces and during dynamic position changes.

magazine included

The set includes, among other things, a Low-Cap magazine that holds a Green Gas cartridge and 38 6mm BBs. The body features markings reading “6P73” and “9x19”, emphasizing the replica’s realistic design.

set elements

  • replica
  • magazine
  • cleaning rod
  • hex key
  • BB speedloader

main features

  • PPK-20-style submachine gun replica
  • Green Gas-powered
  • compact design intended for CQB gameplay
  • realistic blowback system that generates significant recoil
  • muzzle velocity approx. 320 FPS
  • capable of single-shot and full-auto fire
  • NPAS pressure regulation system
  • adjustable Hop-Up system
  • reinforced front body for increased durability
  • aluminum slide, outer barrel, and reloading handle
  • polymer handguard with M-LOK slots
  • RIS rails for mounting additional accessories
  • mechanical sighting devices
  • adjustable 9-position stock with rubber recoil pad
  • ergonomic pistol grip
  • ambidextrous fire selector
  • magazine and additional accessories included
Specna Arms


Militaria.pl is a premium dealer of Specna Arms.


Specna Arms is a brand specialized in the production of ASG replicas, valued for their solid workmanship and value for money. The offered models are characterized by realistic appearance and high durability. The range includes a variety of series - from lightweight CORE™ models for beginners, through advanced EDGE™ models with metal bodies and licensed markings, to top PRIME™ replicas with brushless motors and modern electronics. The brand collaborates with renowned companies such as Rock River Arms and Daniel Defense. Specna Arms has a reputation among both beginners and advanced airsoft players.

More Information
Based on Other
Replica propulsion Green gas
Muzzle velocity 320 fps
Accurate shot range Up to 30 m
Magazine type Low-Cap
Magazine capacity 38 6 mm caliber BBs
Gearbox Not applicable
Body Steel
Overall length 69 cm
Weight 3045 g
Main color Black
Optics ready Yes
Fixed sighting devices Yes
Blowback Yes
Additional accessories included Yes
Accessory rail Yes
Hop-up Yes
Plug type Not applicable
EAN 5902543217431
Manufacturer code SPE-02-048660
Brand Specna Arms

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