


TAC 41 Variable Mass Piston (Red) + Piston Cup NBR 70 (Black)
TAC-41 Variable Mass Piston
– NBR piston cup (70° )
– CNC AL 6061 T6 piston head
– CNC AL 6061 T6 piston body
– CNC steel piston end
– CNC aluminium flyweight (4 pieces)
– CNC steel flyweight (4 pieces)
– PTFE grease
– Tools
This special piston will allow you to tweak the muzzle energy of your TAC-41 by adjusting the piston mass from 39 to 135 grams with 15 different configurations.
Please follow the tutorial video.
For better performances, use our spreadsheet.
Pairs well with
In stock! Ships within 1-2 business days.
Complimentary shipping & returns

TAC 41 Variable Mass Piston (Red) + Piston Cup NBR 70 (Black)
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Customer Support
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FAQ’s
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Contact Us
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FAQs
Please read our FAQs page to find out more.
Do I need an account to order?
No, but an account lets you save addresses, review orders, download invoices and manage wish‑lists.
When will my order ship?
Orders placed before 15:00 CET on business days ship the same day if the
items are in stock. A tracking e-mail follows automatically.
Can I change or cancel my order?
Yes, e-mail orders@skirmshop.nl or use the contact form before 15:00 CET on the shipping day
with your order number. After dispatch, changes aren’t possible.
Do you ship outside the EU?
Yes, the shipping rates and import taxes will be calculated at checkout.
What is the minimum age to buy an airsoft replica?
Please check your own governments regulations for the minimum required age.
Don't forget to send your ID.