Scorpion Piston - TAC41 (Plug & Play Edition) - LIMITED GOLD

The Stalker Scorpion Piston - TAC-41 (Plug & Play Edition) for your TAC-41, with the steel weights in gold! These are limited until stock lasts!

Due to great success we can now offer the Scorpion Piston TAC-41 Plug and Play Edition, this edition is a prebuild Scorpion Piston, assembled to 100 grams with an adjustable air brake to upgrade your TAC-41.

This edition will make your TAC-41 quiet, have a smoother bolt pull and better consistency in FPS.

With a 100 gram weight, this piston works perfect with 310 mm to 510 mm inner barrels. You will not need to tune the piston weight if you are shooting between 2 and 3 joules with these barrels, on higher or lower joule outputs or short/longer inner barrels we suggest you get The Ultimate Edition for more adjustability.

The difference between this version and the Ultimate Edition, is that the Ultimate Edition is more adjustable to a higher and lower weight and comes with extra weights and air brake. However, this version is lower priced and has the ideal weight for most setups.
The following products are not included in this set.

• STALKER TAC-41 Spring Guide (With Stalker Engraved Logo)
• 3x Steel Piston weight 
• 2x Aluminum weights
• 1x Aluminum Piston head
• 1x Long Air brake

If you ever want to upgrade this piston to the full kit, you can purchase the Scorpion TAC-41 upgrade kit to make it an Ultimate Edition.

Key Features :

• Weight-adjustable modular piston
• Silences your TAC-41
• Increases joule/fps consistency
• Adjustable air brake with double O-ring cutouts for optimal fine-tuning
• Option to short stroke your TAC-41 for quicker reloads (Need upgrade kit, sold separately).

Included piston cup is the Extreme Silent TAC-41 piston cup (Matt Finish) This cup is the best solution for making your TAC-41 extremely silent.  


Please use a drop of Silicon lubricant on the cup edge for perfect results, we recommend motor oil silicon oil or similar.

The piston comes with 1x 3.80 mm Short Air Brake (Optimal for 2j and 3J~ Builds or higher).
You will need the 4.0 mm GBB Air Brake kit if you are using Stalker Kraken TAC41 Hop up unit.

Golden Rules of installation

• Always put a drop of oil or silicon grease on your cup edge to achieve optimal joules.
• For 2.3j setups, we recommend starting with the short air brake and unscrewing it completely.
  
• For 2.8+ setups, we recommend starting with the short air brake and screw it in completely.
• Always set your hop up correctly on desired BB Weight and adjust to shoot straight.
• Higher the Joule = Shorter the Air brake
• Lower the Joule = Longer the Air brake.
• Air brake setup: start low, then higher (Unscrew) it each time until the setup is silent.
• When you start to lose joules, then you know you are just over the perfect position of the air brake. You then have to screw the brake back in a bit, gain joules back, and have the most silent setup.

Good setups need adjustable air brakes because too many parts in your rifle can change the acceleration speed of the piston. BB Weight, Spring Power, Bucking Hardness, Barrel Length, Weight of the piston, etc. We also recommend buying some spring guide spacers to play with the weight of the piston and joules of the spring.

Included in this kit :

• 1x STALKER TAC-41 Spring Guide With STALKER Engraved Logo
• 1x Extreme Silent Cup (Mat finish)
• 1x High Joule Cup (Shiny finish)
• 1x Aluminum Piston Head
• 2x Aluminum Weights
• 3x Stainless Steel Weights
• 1x Piston End Cap Made Of Stainless Steel
• 1 Adjustable Air Brake (Short)
• 1x Nut To Lock the Air Brake Setting
• 6- O rings for in between the weights or cylinder head to stop the weights from loosening.
• Front and Back guide rings made of POM

In depth information about the Stalker Scorpion Piston, may need to purchase the upgrade kit to have all possibilities. 

The Scorpion piston 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 but makes loading your TAC-41 a lot shorter by each weight you add at the cost of some joule output which can be compensated with a stronger spring.

Basically, if you like a plug and play piston or if you are a master of tinkering with your piston weights, air brakes to get the best performance, then the Stalker Scorpion is your best friend.

If you have any issues or questions about this or other Stalker Products, please visit our Stalker Owners Group on Facebook here:

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