AIT TOY 40max lightning upgrade barrel
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upgraded barrel to improve accuracy.
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Updated at source:
Model information
- Source
- Printables
- Category
- Other Toys & Games
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Update:
2026-09-19 Added a 13.8mm bore version that preserves FPS better and boosts accuracy better on fresh darts (worker 1.2g).
2026-08-02 Added a slightly wider one that preserves FPS better and has a similar accuracy boost.
Description:
The original barrel is just too short (25mm), resulting in poor accuracy.
It has a little bit tigher bore and much longer length compare to stock barrel. (64mm now).
In my tests, it boosts accuracy with both fresh and used darts.
(I have only tested them with worker darts, because they're the best darts for flywheels imo. )
If possible, please comment to share your results, I would like to see your guys' result with this barrel, regardless with worker or other darts.
Remarks:
Sand it a bit to reduce layer line, in order to achieve a better result
Accuracy test:
Installation:
Refer to this official disassemble guide, you don't have to fully disassemble it, just proceed to the part of barrel removal (1:15).
The barrel contain two parts, the outer part is a metal sleeve, the inner part is a plastic one, this printed barrel is to replace the inner part.