

VFC M4/AK/416/SR25 Nozzle spring 115%
Stronger, more durable, and now a constant supply.
VFC has been a brand I have really enjoyed lately. They make some really outstanding products, but occasionally the cracks and flaws can show.
It's not uncommon for the stock VFC nozzle spring to break after even mild use. The stock VFC nozzle spring is designed to be an expendable piece, but they have a habit of breaking a little sooner than I'd like and then being hard to find replacements for.
So myself and Cheffington yet again went to the drawing board. We experimented with several versions of test samples and then that landed us with what we have today.
Durable Steel
It was important to us to make these springs more durable than the stock alternative, while keeping them true to purpose. This meant a thoughtful design that addresses the stock springs' issues without, for example, radically increasing spring strength as a cheap fix.
A Crisp Return
We designed the spring to just be slightly stronger at 115%. This is just perfect when paired with the air-seal of our Crimson GBB Hop-Up Bucking, found here.
An Easily Identifiable Finish
Our nozzle spring is now treated with a new finish that represents our brand. Not only will you easily be able to identify our springs from others, but we have moved to a new technology where the finish can't flake off; the color is bonded with the steel on an atomic level.
Always A Back-Up
Each packet of our "Ion" Nozzle Springs includes 2 springs, giving you a handy spare or simply allows you to upgrade 2 nozzles at once.
A Perfect Pairing
You will see the option of a bundle on this page with our VFC Quick Change Nozzle Spring Plug for a special discount. These two parts paired together will make changing your nozzle spring even easier. You won't have to stress about removing the extremely stubborn stock VFC Nozzle Spring Plug.
These nozzle springs are compatible with the following VFC, APFG, and Maruyama platforms;
- VFC G3
- VFC HK53/33
- VFC ARs/416s V3/EVO
- VFC AK74/S74U/105/PP19 (default)
- VFC UMP 45/9
- VFC SR25/417/M110
- VFC MDX/PDX
- VFC FNC
- VFC FAL/OSW
- APFG MCX/MPX
- Maruyama ISO556
- Marksman K1A
*There are two nozzle springs per package. Installing these pieces will require a basic understanding of how to access and disassemble your nozzle. If you have questions on how to do this, you are welcome to join the Waldo Dynamics Discord for further help.
Pairs well with
In stock! Ships within 1-2 business days.
Complimentary shipping & returns

VFC M4/AK/416/SR25 Nozzle spring 115%
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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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.