SKU: 96855069233

Scorpion Piston for VSR-10 with Spring Guide

Sale price$89.95 Regular price$99.95
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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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:
  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: 96855069233

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