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Description
Basic Upgrade for SRS 2.8 Joules (Piston, Cylinder and Spring)The starter pack for your Silverback SRS. This upgrade makes your SRS more consistent and quieter! The package includes the following Stalker upgrades! Scorpion Piston SRS (Ultimate Edition) Teflon Lightweight Cylinder For SRS A1 A2 Official Logo Patch We firmly believe that Rapax springs are the best springs on the market. The results with these spring and Stalker upgrades are perfect. Rapax 2. 8 J spring made for SRS TAC41 SSG VSR (includes spacers
The starter pack for your Silverback SRS. This upgrade makes your SRS more consistent and quieter! The package includes the following Stalker upgrades!
- Scorpion Piston - SRS (Ultimate Edition)
- Teflon Lightweight Cylinder For SRS A1 / A2
- Official Logo Patch
We firmly believe that Rapax springs are the best springs on the market. The results with these spring and Stalker upgrades are perfect.
- Rapax 2.8 J spring - made for – SRS/TAC41/SSG/VSR (includes spacers to increase FPS/Joules if necessary.
*Note: this upgrade discount is only available when all products are in stock. Click "add to cart"—if all products are visible, you can purchase this kit with the mentioned discount. If the products do not appear in your shopping cart, you will see a blank page, which means one of these products is not available.
Product descriptions:
SRS Scorpion Piston
The Stalker Scorpion piston has an extremely modular design that was created from scratch on my drawing board a long time ago. It has all the options anyone could want for their SRS piston. It is a unique concept in which 6 weights form the body itself, and since the piston is made up of these weights, it is also possible to extend the piston with additional weights (short stroke), which in turn reduces your cylinder volume and joule creep.
Teflon Cylinder
This cylinder is a Teflon version of a standard cylinder. The inner cylinder coating treatment is a cold process, so the cylinder retains its straight shape, which is often not the case with heat-treated cylinders. Your SRS not only improves in appearance, but the cylinder also features a special inner coating that provides better energy transfer with pistons, which can also increase your joules if your piston has a properly sized cup.
This cylinder is fully compatible with Silverback SRS A1 and A2 receivers.
This cylinder thread works with A1 and A2 bolt handles.
This cylinder works with other pistons.
Rapax 2.8J Spring.
Built with durability and quality to give you the best sniper experience.
If you have any issues or questions about this or other Stalker products, visit our Stalker Facebook group here: https://www.facebook.com/groups/329589544772075/
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 about Stalker products, tech guides, and build guides, visit: www.stalkerairsoft.com
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 3
Went from five stars to three.
Color: White Marble Look, Color: White Marble Look
I was thrilled with this dispenser & sponge holder for the first month or two then soap started oozing out of the top. (See photo) I didn’t change types of soap but am trying different things now to see if it helps. It’s a great fit in my kitchen, holds the items I need, is sturdy, looks classy and clean but I’m not sure if I’ll get used to the blue ring of soap oozing out. I’ve been using this for 2.5 months at time of review.
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Reviewed in the United States on February 6, 2026
★★★★★ 5
Aesthetically pleasing
Color: Black
Very aesthetically pleasing, easy to clean, will last a lifetime because of the material quality and it feels like stone more than plastic.
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Reviewed in the United States on November 6, 2025
★★★★★ 5
Attractive and works great. Be sure to clean the suction cups and sink before using!
Style: Scroll
I have wanted a sponge holder to put inside my sink for a while now. I wanted something attactive and I wanted it to work as it should. Seemed reasonable until I started looking and reading reviews. The biggest complaint appeared to be that these sponge holders do not stay attached to the sink. The reviews for this particular holder were great. Customers stressed cleaning the suction cups and sink before using. I am really glad they did because holder arrived in the packaging with zero instructions. Because I read the reviews I knew what to do and it worked! I am very pleased with this sponge holder. It is attractive, it feels really sturdy and it stays on the side of stainless steel sink just fine.
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Reviewed in the United States on August 8, 2022
★★★★★ 5
Pretty; sturdy; perfect size
Style: Contempo, Style: Contempo
Nice, sturdy little sponge and brush holder for the side of the sink. I was afraid my sink would me too small and spent lots of time trying to find a holder for the rim/countertop area. This one is not too big but fits my dobie and brillo perfectly. My sink is a little too short for a full fledged brush so when I tried to put in the brush I use sometimes it sticks up too much. That's really not the products fault so I won't subtract the score because of it. Also, I decided to put the holder flush against the side closest to me, instead of the side or the back of the sink. If I had chosen that location, the brush sticking out might not be an issue.
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Reviewed in the United States on July 26, 2016
★★★★★ 4
Yes the suction works on stainless steel!!
Style: Contempo
I've been through many rag holders before including a magnetic one, which broke. But the suction on this sucker (pun intended) is top notch! It doesn't slide around or come off or slide to the bottom of the sink. It just stays put which is so unique for anything with suction cups. The only reason i am giving it 4 stars instead of 5 is that it is quite small. I wish it were a few inches longer so i could easily fit two rags or sponges in the holder. But i have to jam them in and its not pretty. So for the price, i think it should have been bigger. Still a good product because of the functionality of the suction cups.
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Reviewed in the United States on October 3, 2017