






SP-STAL-176
Ultimate SRS Upgrade Kit (510mm Barrel 3.0–3.5 Joule)
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The Ultimate Stalker Upgrade Kit to make your Silverback SRS a beast of a sniper. This upgrade kit makes your SRS accurate, consistent and silent! Load up your magazines and rock the field like you never did before.
The package includes the following Stalker upgrades.
- Stalker SRS Kraken Hopup Chamber - Ultimate Edition
- Stalker SRS Scorpion - Ultimate Edition
- Stalker Morpheus 510MM Inner Barrel
- Stalker SRS Fluted Teflon Cylinder
- Stalker Official Logo Patch
We strongly believe that the Rapax springs are the best springs on the market. The results with this spring and the Stalker upgrades are perfect.
- https://www.skirmshop.nl/en/rms-3-joule-spring.html (includes tensioners to increase FPS/Joule if needed.)
*Note: This upgrade discount is only available when all products are in stock. Click 'add to cart'; if all products are visible you are able to purchase this kit with the mentioned discount. If the products are not in your shopping cart you will see a blank page, meaning one of these products is not available.
Products Description :
Kraken Hopup Chamber
- Easy setup for pro and new players (~2 minute bucking swap)
- 100% self-alignment system for always straight setup
- 100% Straight / 100% Seal Patented Kraken Bucking
- Adjustment Wheel Head Cut-Out For Easy Adjustment.
- O-ring Guided Wheel
- Steel Custom Made Hop Arm Screw
- Laser Engraved White Letters And Text.
- Front O-ring to Avoid BB’s Falling Into Receiver
- Modular Chamber Design To Fit Most VSR Buckings, Bridged/Unbridged Barrels And Nubs.
- Modular Arm Section to swap and use the S1, S2 and S3 arms.
- V-Groove Island for upper outer barrel screw (SRS A1)
- V-Groove for lower outer barrel screw (SRS A2)
- Side Flat Body Cutouts For Future Stalker Product
- Fast setup for easy barrel or bucking swap or cleaning barrels
SRS Scorpion Piston
The Stalker Scorpion piston has an extremely modular design which was made from scratch on my drawing table a long time ago. It has all the options people could want for their SRS piston. It is a unique concept where 6 weights form the body itself and as the piston itself is made up of these weights, it is also possible to extend the piston with additional weights (short stroke), which in turn reduces the volume of your cylinder and joule output.
Morpheus 510MM Inner Barrel
The Morpheus Hybrid Barrel is made out of very durable SUS304 Stainless Steel and has a Dualbore tapered end-crowning to upgrade your range and accuracy.
We used the more durable and stronger SUS304 seamless steel because we wanted to step up the game a bit. Most brands use SUS303 seamed steel because it's easier to machine. SUS303 stainless steel's corrosion resistance is weakened due to its composition as it's specialized for machinability, so the SUS304 steel we use is harder to machine but more durable and has wonderful corrosion resistance.
Fluted Teflon Cylinder
This cylinder is a Teflon Fluted Version of a normal cylinder and makes your SRS A1 or A2 look super cool. The cylinder inner coating treatment is a cold treatment, so the cylinder retains its straight shape, which is often not the case with heat-treated cylinders. Your SRS not only gets a boost in looks, but the cylinder also has a special inner coating which provides better energy transfer with pistons and may also increase your joules if your piston has a correctly sized cup.
- This Cylinder is fully compatible with both Silverback SRS A1 and A2 receivers.
- This Cylinder thread works on both the A1 and A2 bolt handles.
- This Cylinder works with aftermarket pistons.
Rapax 3J+ RMS Spring
The Rapax Modular Spring series is made with the same quality standards as the Light Pull series springs. With durability and quality, they are made to give you the best sniper experience. The difference from the Light Pull series is in its length (considerably shorter than the Light Pull series), slightly harder pull, but increased silent shots. Also, RMS springs are electrically coated to prevent rust, which provides smoother operation on the spring guide.
If you have any issues or questions about this or other Stalker Products, please visit our Stalker Owners Group on Facebook here: https://www.facebook.com/groups/329589544772075/
You can follow all my live feeds, photos, and information 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 about Stalker Products, Tech & Crafting Guides please visit: www.stalkerairsoft.com
Pairs well with
In stock! Ships within 1-2 business days.
Complimentary shipping & returns
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.