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Description
Scorpion Piston for VSR-10 with Spring GuideThe new Stalker Scorpion piston kit for the VSR 10! Key features: Modular piston with adjustable weight (65 to 148 grams) Reduces noise in your VSR 10 Improves joule FPS consistency Adjustable air brakes with dual O ring cuts for optimal tuning Short stroke option for faster reloads (at the cost of some joules) Includes a 3mm thick, 40D hardness shock pad to prevent piston impact noise against the VSR cylinder head Shock pads in various hardnesses and
The new Stalker Scorpion piston kit for the VSR-10!
Key features:
- Modular piston with adjustable weight (65 to 148 grams)
- Reduces noise in your VSR-10
- Improves joule/FPS consistency
- Adjustable air brakes with dual O-ring cuts for optimal tuning
- Short-stroke option for faster reloads (at the cost of some joules)
- Includes a 3mm thick, 40D hardness shock pad to prevent piston impact noise against the VSR cylinder head
- Shock pads in various hardnesses and sizes available (see related products)
- Optimized to work with 9mm springs and Stalker spring guides.
The piston comes with two adjustable air brakes (3.80 mm) for optimal tuning based on your setup.
- 1 short air brake (3.80 mm) — optimal for 2J and 3J+ builds.
- 1 long air brake (3.80 mm) — optimal for 2J or lower builds.
Airbrake <> Cylinder Head Compatibility:
- Action Army cylinder head = 3.80 mm airbrake
- TM cylinder head = 3.80 mm airbrake
- Laylax cylinder head = 3.80 mm airbrake
- SSG-10 cylinder head = 4.40 mm airbrake
- Other cylinder heads = measure inner nozzle diameter and select optimal airbrake
3.80 mm Airbrake for Scorpion Pistons (SKU: ST-102)
4.00 mm Airbrake for Scorpion Pistons (SKU: ST-101)
4.40 mm Airbrake for Scorpion Pistons (SKU: ST-103)
The new piston design features a slightly modified piston cup for optimal performance in VSR-10 cylinders. This cup performs reliably from 1J to 4J+.
Installation Golden Rules:
- Always apply a drop of silicone oil or grease on the cup edge for optimal joules.
- For 2.3J setups, start with the short airbrake fully unscrewed.
- For 2.8J and above, start with the short airbrake fully screwed in.
- Always properly adjust your hop-up to your BB weight and ensure straight shooting.
- Higher joules = shorter airbrake.
- Lower joules = longer airbrake.
- Start with the airbrake in a low position and gradually unscrew it until the setup is quiet.
- When you start losing joules, you’ve passed the optimal position — screw it back in slightly to regain joules and achieve the quietest setup.
Optimal setups require adjustable airbrakes because many components affect piston acceleration speed — such as BB weight, spring strength, hop-up rubber hardness, barrel length, and piston weight. We also recommend purchasing spring guide spacers to fine-tune piston weight and joule output.
Kit includes:
- 1x Stalker Scorpion 9mm spring guide (engraved with Stalker logo)
- 1x 3mm thick, 40D hardness green shock pad (cylinder head not included)
- 1x Piston cup
- 1x Aluminum piston head
- 1x C...
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
4.1 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Arrived on time
Size: 3 Big Kid, Color: Black
Was what was described
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2025
★★★★★ 5
Good value, works great, just the right size for me
Color: Tea Green, Style: Little Green Mini
I was concerned at first that the clean water/solution tank was small, but it's prefect for my needs. I was able to clean up 4 puppy-pee spots perfectly, and still have half the solution left over that I loaded in. I like that it is really compact so stores easily, that the cord and hose wind up nice and tight, and it can fit in a small space. Cleaning the dirty water tank was a breeze and took 2 minutes. Would recommend for spills and spot cleaning. Very handy and affordable.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Tiny but Mighty Cleaner That Saved My Couch
Color: Tea Green, Style: Little Green Mini, Color: Tea Green, Style: Little Green Mini
I had wanted the Bissell Little Green for the longest time. If you have pets or children, a portable carpet and upholstery cleaner like this can come in very handy.
One of my cats unfortunately peed on my couch, and I thought it might be the end of the line for it since it is a power recliner with non removable cushions. I picked this up as a last resort, and honestly also as an excuse to finally buy one.
I debated between the plug in and cordless versions, but ultimately chose the corded model because it has almost twice the suction power. At first I thought the suction felt a bit weak, but once I saw the liquid it was pulling up I was very impressed. During the passes I could literally see yellowish liquid being extracted. It was gross and satisfying at the same time. I was also surprised by how brown and dirty the recovered water was. This machine is tiny but mighty.
Weighing around 7 pounds, the Little Green is light and easy to carry around the house. It is also a bit quieter than a traditional vacuum. Cleanup is straightforward. You simply remove the dirty water tank and rinse it out. The vacuum head attachment rinses easily as well. For the hose, you can use the self cleaning tool by pressing the nozzle and running water through it for about 30 seconds.
There are still some lingering smells, but based on the color of the extracted water it clearly did a lot of work. I just need to do a few more cleaning sessions on my couch.
I am glad I finally bit the bullet and gave the Little Green a try. This adorable little machine may have saved me hundreds of dollars compared to hiring a professional cleaner or replacing my couch. Overall, I would absolutely recommend it for pet owners and anyone who needs a reliable upholstery and spot cleaner.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
5 Stars for Suction, but the "Drill Brush Hack" makes it 10 Stars
Color: Tea Green, Style: Little Green Mini
I bought the Bissell Little Green Mini to handle the inevitable "kid and pet" messes that don't justify dragging out a full-sized upright. It’s impressively lightweight, about 45% lighter than the original and, in my opinion, seemingly more durable. The 4-foot flexible hose makes it perfect for stairs and car interiors.
The Secret Sauce: The Drill Brush Pairing
While the included 4" Tough Stain Tool is great for light scrubbing, the real game-changer is pairing this machine with a soft-bristle drill brush.
My Process: I spray the stain using the Little Green’s trigger, let it sit for 30 seconds, then use the drill brush on a low setting to agitate the fibers.
The Result: This combo lifts deeply embedded dirt and old pet stains that manual scrubbing just can't touch. Once agitated, I use the Little Green’s powerful suction to pull everything out. The water in the dirty tank is always satisfyingly (and gross) dark.
Key Performance Notes
Suction Power: Don't let the "Mini" tag fool you; the suction is strong enough to leave upholstery nearly dry to the touch.
Spray Effectiveness: The built-in spray trigger is precise. It delivers a wide, even mist rather than a messy stream, which is crucial for saturating a stain without soaking the underlying foam padding.
Self-Cleaning Feature: The HydroRinse tool is a lifesaver. It flushes the hose after use, preventing that "old damp carpet" smell from developing inside the machine.
Portability: It’s small enough to store in a standard bathroom cabinet, making it much more accessible for "emergency" spills.
Pros & Cons
Pros:
Extreme Portability: Easy to carry around the house or out to the driveway.
Long Reach: The 12-foot power cord gives you plenty of room to move.
Formula Efficiency: A little bit of the Oxy Spot & Stain formula goes a long way.
Cons:
Small Tanks: Because it’s a "Mini," you will be emptying the dirty tank frequently if you’re doing a whole couch.
Loud: Like most portable extractors, it has a high-pitched motor whine.
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Reviewed in the United States on March 19, 2026
★★★★★ 4
Works as expected but won’t replace professional carpet cleaning
Color: Tea Green, Style: Little Green Mini
I’d say this little green machine was worth the money. I’ve had it for a few months, and these are my pros and cons:
Pros:
-good size, easily stored in my closet
-cord length is long enough for my needs
-gets new stains out if I act quickly after spilling
-comes with carpet cleaner (unlike if I were to rent a carpet cleaner from my hardware store)
-great for spot cleaning
Cons:
-I can only spray the cleaning solution if the vacuum feature is turned on. I would like to spray and then wait a while, then turn on the vacuum feature. I could be doing this wrong, but I haven’t figured out a way to change this feature.
-the suction isn’t as strong as I’d like. I recently got my carpets professionally cleaned, and I understood why that service is still necessary even if I’m spot-cleaning with my little green guy often.
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Reviewed in the United States on May 14, 2026