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Home » Accessories & Parts » AEG Internal Parts » Shims

Prometheus Shim Set for Airsoft AEG Gearboxes

ID: 113602 (Shims-Prom-4571443188694)
4571443188694
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Gears, gearbox and other accessories not included
Laylax

$9.00

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Product Description

Features

  • Contains only the most useful / thin sizes for optimized freedom
  • 0.1mm, 0.15mm, 0.2mm, 0.3mm and 0.5mm ensures that there are reduced amount of useless shims
  • Designed by top technicians for all AEG gearbox and other precision shimming applications
  • Optimized diameter
  • Precision thickness
  • Universally compatible with most major brands gear and gearboxes
Mechabox Adjustment Shim is an essential item for gear setting in electric guns. This set includes 5 different thickness shims: 0.1mm, 0.15mm, 0.2mm, 0.3mm, and 0.5mm, allowing for precise gear adjustments and optimal performance. Even for fine-tuning requirements, combining the appropriate shims will achieve ideal operation. In the case of an 8mm diameter, with an outer diameter of 5.8mm, it avoids contact with the flange of the ball bearing, making it a necessary item when using ball bearings.

Manufacturer: Prometheus

7 Customer Reviews

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by Robert P. on 09/23/2025
"These are about as good as it gets for airsoft shims. I mic'd them with my Mitutoyo 505-732's. they all were a bit larger than advertised but only by .02-.05mm; never any more and never and less. frequently the cheap shims will be off by as much as 50%. dont buy any of the other brands, they are almost all crap. the only "better" option is the Aztechs. These do come sorted and labeled as well to save you the headache.
by Lawrence M. on 08/30/2023
"I was told to be careful buying shims because many are bad quality but these were very nice. It came in a small plastic bag and there is no way to differentiate them other than by feeling them but they worked great when shimming 3 different guns. Would buy again.
by Samuel V. on 11/10/2021
"nice shims, more than enough to shim multiple guns

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Laylax

About Laylax

Providing products in the Japanese market for the better part of 20 years, Laylax is well known for their high manufacturing quality and precise tolerances. Their tried and true parts and accessories have led them to be the leader in Japanese airsoft engineering.