Tachyon V.2 Assembled 16mm Electronics (tye-tachyon-v2-2)

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Data sheet

This is Tachyon V2. IN STOCK.
More than just a simple ammo counter.

N.B. 16mm Flah Hider (usable on 16mm barrel / outer barrel end).


Counting how much ammo you have left is Tachyon's primary function.

Your ammunition status is displayed both as an exact number, and also as a graphical progress bar to provide readout when your eye is not in direct focus on the screen.

Tachyon provides a capability to save up to 6 ammo count presets and makes it easy for you even if you use multiple magazines with different capacity. These presets can be modified and applied with a press of a few buttons anytime in the field.

Additionally, Tachyon will alert you when you reach 2/3 and 1/3 of your magazine capacity by changing the color of the ammo count readout. This way, you will always notice when your magazine is almost empty.


Since Tachyon is powered directly by your weapon's battery. besides you ammo status, it also provides another vital piece of information: your weapon's battery status.

Tachyon features a high-accuracy measurement algorithm for both Ni-MH and LiPo batteries, in multiple voltage configurations (7.4, 8.4, 9.6 and 11.1 volts)

Using a GBBR or HPA? No problem! Tachyon can also be powered by an external battery, such as a 9-volt cell.

To help you keep track of time, Tachyon also features an integrated real time clock.


I believe that when you buy something, you should be able to do anything you want with it.

Using the on-board color editor, you can select any custom colors for the user interface, display backlight, and ammo count threshold colors. Customize the color scheme to match your favourite sci-fi shooter game!

If you have experience in programming Arduino or AVR Microcontrollers, you can download Tachyon's open-source firmware to fully customize every single aspect of your device!

No matter if you're fighting at day or night, you can quickly adjust the screen brightness directly from the home screen at any time.


Tachyon mounts on any 21-22mm weapon accessory rail in any orientation, and has a very low profile of just 26.5 mm (1.05") to ensure that optics can be mounted in front of the device without blocking your line of sight.

The required barrel sensor uses a mechanical clamp instead of a thread. This ensures compatibility with a wider range of barrel diameters and also provides the ability mount on non-threaded barrels.

Does Tachyon block your sights anyway? Don't worry, with the ability to rotate its screen picture, Tachyon can be mounted on the side, and even upside down! (Why would anyone do that though?)

Tachyon and its Infrared barrel sensor are made out of Laser-printed Carbon-black Nylon-12, which provides excellent mechanical capabilities and impact resistance.

To protect its display, Tachyon also comes with an optional acrylic screen protector.

How does it work?

Tachyon works by detecting your outgoing shots using a custom barrel-mounted sensor.

Setup is easy and simple. All you need to do, is to attach the barrel sensor, and the Tachyon computer to your weapon. Then, you use the included battery splitter cable to connect the device to your weapon's battery (No soldering or re-wiring required).

What's new since V1?

With body dimensions of 37x90x26.5mm, V2 is almost 60% smaller than V1.
The low profile (height of 26.5mm) makes it possible to use most optics without the need to mount them on top of the counter. Mouting your optis on the weapon rail makes the weapon profile smaller, and looks better.
Can be comfortably mounted in any orientation, including on the side or upside-down. Image can be rotated by multiples of 90 degrees.
Completely redesigned enclosure makes it possible to use better, more professional manufacturing technologies, making the device more durable, and have better surface finish.
Improved firmware can handle larger ammo counts and supports more customization options

Full Specifications:

Core features: Ammo counter, Battery monitor, Real-time clock.
Mounting: Picatinny (RIS/RAS) Rail, 21-22 mm.
Enclosure dimensions (WxLxH): 37x90x26.5 mm = 1.46x3.54x1.05 in.
Sensor mounting diameter: 14±2 mm (no thread required).
Input voltage: 5-12 v.
Standard idle current consumption: 200 mA.
Timekeeping battery: CR1220.
Clock time drift: <1 ppm w/ calibration, <127 ppm w/o calibration.
Display resolution: 128 x 128 pixels.
Display color accuracy: 16 bit.


Does Tachyon work with real weapons?

NO. Tachyon is built only for airsoft weapons. It will NOT work with any real firearm, and will most likely damage or destroy the device. Do not try this.

Is it compatible with GBBRs or other non-electric weapon types?

Yes, Tachyon works with any airsoft rifle, however an external 9-volt battery will be requred if your weapon doesn't have one built-in.

How do I install the device? Do I need to disassemble my weapon?

Tachyon mounts on any standard picatinny rail in any orientation (the display image can be rotated by increments of 90 degrees).

Weapon disassembly is not required, although slight modifications may be needed if you wish to hide the cables that run off the device.
How does it work?

The device detects shots with a barrel-mounted sensor. Misfires or empty shots will not be counted.
What is the ammo limit?

9999 rounds
Will you ship to country X?

Yes, I'm offering worldwide shipping for everyone.

I bought a unit but I can't mount it / don't like it? Can I return it?

Yes, according to my Terms and Conditions, you can return an unamaged unit within 7 days after receiving it for a full refund.

I know how to program an Arduino, can I modify the firmware?

Of course, the firmware source is availabe on github for non-commercial purposes.

Mounting on the replica:

As regards the assembly on the replicas, we can offer the direct service (cost to be defined based on the replica) or we recommend having the NIKKSAKK.EXTREME.AIRSOFTCUSTOM technician perform the assembly already expert in the assembly of this component and that can tell you how precise it is better to apply the TACHYON V.2 on your replica. If you need direct contact with him, don't hesitate to contact us for further INFO.

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