SKU: 16640109315

Scorpion SRS Piston (Plug & Play Edition) - Gold - Limited Edition

Sale price$62.96 Regular price$69.95
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Description

Scorpion SRS Piston (Plug & Play Edition) - Gold - Limited EditionThe Stalker Scorpion Piston SRS (Plug & Play Edition) for your SRS, with gold steel weights! These are limited while stocks last! Due to its great success, we can now offer the Scorpion Piston SRS Plug and Play Edition. This edition is a prebuilt Scorpion Piston, assembled at 100 grams with an adjustable airbrake to upgrade your SRS. This edition will make your SRS quieter, provide smoother piston movement, and improve FPS consistency. At 100 grams,

The Stalker Scorpion Piston - SRS (Plug & Play Edition) for your SRS, with gold steel weights! These are limited while stocks last!

Due to its great success, we can now offer the Scorpion Piston SRS Plug and Play Edition. This edition is a prebuilt Scorpion Piston, assembled at 100 grams with an adjustable airbrake to upgrade your SRS.

This edition will make your SRS quieter, provide smoother piston movement, and improve FPS consistency.

At 100 grams, this piston works perfectly with inner barrels from 310 mm to 510 mm. You will not need to adjust the piston weight if you are shooting between 2 and 3 joules with these barrels. For higher or lower joule outputs, or shorter or longer inner barrels, we suggest getting the Ultimate Edition for greater adjustability.

The difference between this version and the Ultimate Edition is that the Ultimate Edition offers greater weight adjustability (both higher and lower) and includes additional weights and an airbrake. However, this version comes at a lower price and features the ideal weight for most setups.
The following products are not included in this set.

  • 2 steel piston weights.
  • 2x aluminum weights.
  • 1 aluminum piston head.
  • 1x long airbrake.

If you ever wish to upgrade this piston to the full kit, you can purchase the Scorpion SRS upgrade kit to convert it into an Ultimate Edition.

Key Features:

  • Modular adjustable-weight piston.
  • Silences your SRS.
  • Improves joule/FPS consistency.
  • Adjustable airbrake with dual O-ring grooves for optimal fine-tuning.
  • Short-stroke option for your SRS for faster cycling (upgrade kit required, sold separately).
  • The included piston cup is the Extreme Silent piston cup (matte finish). This cup is the best solution to make your SRS extremely quiet.

An additional piston cup is included: the High Joule piston cup (gloss finish). This cup is the best solution to keep your SRS quiet while running a high-joule setup with a low-tension, light-pull spring.

Use a drop of lubricant on the edge of the cup for perfect results. We recommend motor oil, silicone grease, or similar.

The piston comes with 1 short 3.80 mm airbrake (optimal for 2J and 3J~ builds or higher).

Golden installation rules

  • Always apply a drop of oil or silicone grease to the edge of the cup to achieve optimal joules.
  • For 2.3J setups, we recommend starting with the short airbrake and fully unscrewing it.
  • For 2.8J+ setups, we recommend starting with the short airbrake and fully screwing it in.
    Always set your hop-up correctly for your desired BB weight and adjust it to shoot straight.
  • Higher joule = shorter airbrake.
  • Lower joule = longer airbrake.
  • Airbrake adjustment: start low, then gradually increase (unscrew it) each time until the setup becomes quiet.
  • When you start losing joules, you know you have just passed the perfect airbrake position. Then slightly screw the airbrake back in to regain joules and achieve the quietest setup.

Proper setups require adjustable airbrakes because many components in your rifle can affect piston acceleration speed: piston weight, spring power, bucking hardness, barrel length, etc. We also recommend purchasing spring guide spacers to fine-tune piston weight and spring joule output.

Included in this kit:

  • 1 STALKER SRS spring guide with engraved STALKER logo.
  • 1x Extreme Silent Cup (matte finish).
  • 1x High Joule Cup (gloss finish).
  • 1 aluminum piston head.
  • 3 aluminum weights.
  • 2 stainless steel weights.
  • 1 stainless steel piston end cap.
  • 1 adjustable (short) airbrake.
  • 1 nut to lock the airbrake setting.
  • 6 O-rings to place between the weights or end cap to prevent the weights from loosening.
  • Front and rear POM guide rings.

For detailed information about the Stalker Scorpion Piston, you may need to purchase the upgrade kit to access all possible configurations.

The Scorpion Piston is a unique concept in which 6 weights form the piston body itself. Since the piston is made up of these weights, it is also possible to extend it with additional weights (short-stroke configuration), which reduces cylinder volume and joule output, but significantly shortens the bolt pull of your SRS with each added weight. The reduced joule output can be compensated with a stronger spring or the High Joule cup.

Basically, whether you prefer a plug-and-play piston or you are an expert who enjoys tuning piston weights and airbrakes for maximum performance, the Stalker Scorpion is your best friend.

If you have any issues or questions about this or other Stalker products, visit our Stalker Owners Group on Facebook here:


Facebook: https://www.facebook.com/StalkerAirsoftDesigns/
Instagram: https://www.instagram.com/stalkerairsoftdesigns/
YouTube: https://www.youtube.com/channel/UCWsBiSHlu-lbcnGQWAkeJWQ

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 16640109315

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Size: One Size, Color: Black, Size: One Size, Color: Black
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Reviewed in the United States on January 7, 2026
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Guichay
New York, US
★★★★★ 5
A great running visor hat shades the face and keeps sweat out of your eyes.
Size: One Size, Color: Orange
I usually run in really hot and humid conditions and generate a lot of sweat, so wearing a visor allows the body heat to escape through my head and also acts as a sweat band. I needed replacements and decided to give these a try. They were beyond my expectations. The visor design is very light, thin fabric but the bill is very rigid. You can't adjust its fit and it was very tight when I first put it on. However, after an hour of running, it was very comfortable. It has a full sized bill and provided full shade coverage for my face and had no problems with sweat in my eyes. The visor construction was such that it held sweat really well. The design also caused the sweat to travel down the bill and drip off of its edge instead of down onto my face. I only wrung it out a couple times during a very sweaty runs to get the sweat out of the band. I love these visors, they are a great value for their quality, and have already bought a couple more.
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Reviewed in the United States on August 2, 2025
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AL
New York, US
★★★★★ 4
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Reviewed in the United States on May 6, 2026
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jlcutter
Houston, US
★★★★★ 5
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