


SP-STAL-30
Kraken SRS S3 Hop-Up Arm
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Pickup available at Skirmshop Spain
Usually ready in 24 hoursSTALKER SRS KRAKEN S3 HOP ARM
This Stalker SRS Kraken S3 arm is made from a single piece of aluminum and features a protrusion hole designed to accept a wide variety of Stalker protrusions, including our CNC aluminum Tigra protrusion, CNC aluminum Prowler protrusion, 60° rubber Prowler protrusion, 75° Rubber Knot Prowler, and more.
This arm performs best with Stalker Morpheus barrels or other GBB/unbridged barrels with larger windows.
The advantage of using the S3 arm + knot is that the separate knot can pivot on the arm to conform to the shape of the bucking when adjusting the hop-up. This results in a flat pressure point on the bucking. Another benefit of the S3 arm is that you can experiment with a wide range of protrusions to ensure optimal performance under all weather conditions and in both low- and high-joule setups. With the plug-and-play Kraken SRS hop-up chamber, changing protrusions is easy and takes less than one minute—making this arm essential for many Kraken SRS users, as it unlocks the full potential of the Kraken and a vast selection of protrusions for your setup!
The arm is black anodized with an engraved S3 on the top.
You can follow all my live streams, photos, and updates on my Instagram, Facebook, or YouTube channels here:
Facebook: https://www.facebook.com/StalkerAirsoftDesigns/
Instagram: https://www.instagram.com/stalkerairsoftdesigns/
YouTube: https://www.youtube.com/channel/UCWsBiSHlu-lbcnGQWAkeJWQ
For more information on Stalker products, technical guides, and build tutorials, visit: www.stalkerairsoft.com
Pairs well with
In stock! Ships within 1-2 business days.
Complimentary shipping & returns

Kraken SRS S3 Hop-Up Arm
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
Please read our FAQs page to find out more.
Do I need an account to order?
No, but an account lets you save addresses, review orders, download invoices and manage wish‑lists.
When will my order ship?
Orders placed before 15:00 CET on business days ship the same day if the
items are in stock. A tracking e-mail follows automatically.
Can I change or cancel my order?
Yes, e-mail orders@skirmshop.nl or use the contact form before 15:00 CET on the shipping day
with your order number. After dispatch, changes aren’t possible.
Do you ship outside the EU?
Yes, the shipping rates and import taxes will be calculated at checkout.
What is the minimum age to buy an airsoft replica?
Please check your own governments regulations for the minimum required age.
Don't forget to send your ID.