T238 vision is to become an interesting company, with a mission to continuously output creativity and fun!
T238 AEG Piston Rack Basic Edition
T238 AEG Piston Rack Basic Edition
T238 Piston Rack Basic Edition – Engineered as an upgrade component for professional AEG replica/gel ball blaster players. Compatible with MARUI V2/V3 standard gearboxes and their derivative AEG models (M4, AK, MP5, G36, P90, AUG, VECTOR, and other compatible models).
Constructed with metal piston teeth and an engineered polymer body, featuring a standard 5mm mounting hole at the top for compatibility with various piston heads. Built for Milsim/SQB pros who demand reliability in rapid-fire engagements.
DTU
Designed to sync flawlessly with the BL-480 motor. No braking conflicts, just seamless performance—elevate your control.
Tracer Unit
Pair with the airsoft for precision and visibility. Track every shot with unmatched clarity, only from T238.
Professional Grade Piston Rack
- 35+ RPS Ready
- Stainless Steel + PA66-33G
- Drop-in Upgrade for AEGS
Stainless Steel Piston Teeth
Balanced corrosion resistance and mechanical performance(HRC 32-40)
13.5-tooth Design
- Handles 35+ RPS builds without stripping
- Half-tooth for smoother engagement
PA66-33G(Glass fiber reinforced nylon) Body
Weighs only 15.8g for faster cycling
Highly Adaptable
Widened rail slots adapt to 95% AEG gearboxes (Tested on LCT/KWA/ICS)
Special Design
The tapered tail design prevents structural interference with non-standard gearboxes (e.g., LEHUI VECTOR GEARBOX)
Specifications Details
Specifications Details
Dimensions: 68.8(L)×21.6(W) x15.5(Inner diameter)mm
Piston head installation hole: 5(Ф)mm
Material: Stainless Steel Teeth + PA66-33G Body
Tooth Count: 13.5 (Half-tooth for smoother engagement)
Weight: 15.8g ±0.5g
Compatibility: TM-standard V2/V3 & clones
(P90, AUG, VECTOR and Other Compatible Models)
Max RPS: 50RPS
Max Spring: M150
Package Includes 1 * Piston Rack
Frequently Asked Questions
Frequently Asked Questions
Clarify any uncertainties you might have, ensuring a smooth and hassle-free experience for everyone.
Will the chronograph daybreak work with 43 cal balls?
Only works on airsoft/gelball/foam dart.
This inner diameter is only 14mm, can only be used with calibers smaller than 14mm.
Why are triggers and selectors not effective in all cases?
The causes are as follows:
1. Battery failure
2. Poor contact of the battery plug
3. It is recommended to change the battery to troubleshoot
4. If you still can't solve the problem, please contact: support@t238.net
Can T238 Storm works with red bbs?
It's not allowed to be used! Green only!
Have a question about the Daybreak tracer/chronograph. Is there a way to keep the screen off when in use? For instance, does the screen turn on when I fire?
You can set auto display off to 5s. and when you fire, the screen will auto-turn back on.
How do I reset the FCU to factory settings?
Click the reset button in FCU settings.
Is the IMPULSE rated for 30c continuous discharge and 60c sudden discharge?
It's 42A/84A for 1400mAh battery and 33A/66A for 1100mAh battery.


















