SKU: 48177746494

High Joule Piston Head for Scorpion SRS/TAC41

Sale price$13.46 Regular price$14.95
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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25

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Description

High Joule Piston Head for Scorpion SRS/TAC41This SRS TAC41 piston cup offers very easy cocking while delivering high joule output, remaining quiet when the airbrake is properly adjusted. The Stalker High Joule cup enables you to upgrade with a 2J spring in 3J setups, or 3J springs in 4J setupsfor example, the Stalker Scorpion piston with original SRS or TAC Silverback spring and 420mm inner barrel fires ~2J with . 48 BBs. This cup is compatible with SRS or TAC41 cylinders. Use a small amount of

This SRS/TAC41 piston cup offers very easy cocking while delivering high joule output, remaining quiet when the airbrake is properly adjusted.

The Stalker High Joule cup enables you to upgrade with a 2J spring in 3J setups, or 3J springs in 4J setups—for example, the Stalker Scorpion piston with original SRS or TAC Silverback spring and 420mm inner barrel fires ~2J with .48 BBs.

This cup is compatible with SRS or TAC41 cylinders. Use a small amount of oil-based lubricant for optimal performance; we recommend motor oil silicone grease or similar.

As a reference, a 2J+ Blue spring delivers ~3J on an SRS with Stalker SRS cylinder + 420mm inner barrel.

The original cylinder will produce slightly fewer joules. Results may vary depending on the cylinder used.

We also offer an extremely quiet piston cup that reduces joules to near standard spring output, but is easier to make ultra-quiet.

  • Zero loading friction.
  • Thumb-sealed.
  • High joule output.
  • Fast cocking (lighter pull) due to a looser spring that still delivers significantly more joules.

You can follow all my live streams, photos, and info on my YouTube, Facebook, or Instagram 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 and technical 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:
  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: 48177746494

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4.8 ★★★★★
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Product Reviews
A
Verified Purchase
Amazon Customer
Lake Worth, US
★★★★★ 5
Good umbrella stand
Size: 21inch
Works really well. I filled it with water and it works great. The wheels worked great on the pool deck. The umbrella stands upright even in the wind here in Florida. Worth the price. Multiple pole size inserts. 2 pole security screws.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
S
Verified Purchase
SAN
San Leandro, US
★★★★★ 5
As Advertised
Size: 19inch
The product seems well constructed and rolls easily when wheels are unlocked, even with full weight. Had windy conditions recently and the umbrella was held steady.
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Reviewed in the United States on April 27, 2026
A
Verified Purchase
Adam C.
Natrona Heights, US
★★★★★ 4
Seems like a good product, could use a couple improvements...
Size: 19inch
Product seems fine so far, and the adjustable size for the pole is good. Areas for improvement are a larger fill valve so you could fill sand with something other than a teaspoon. Also would have been better if all four wheels had locks and not just two.
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Reviewed in the United States on January 27, 2026
B
Verified Purchase
BOOMER
Whiting, US
★★★★★ 5
Holds 100 pounds of water
Size: 19inch
Some assembly required. Rolls easily in direction of wood grain on a deck. Very difficult to roll sideways across gaps in deck boards.
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Reviewed in the United States on April 26, 2026
R
Verified Purchase
Ruth Zimmerman
Birmingham, US
★★★★★ 2
Not heavy enough.
Size: 19inch
Does not support a double umbrella.
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Reviewed in the United States on May 22, 2026

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