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Home » Airsoft Accessories, Attachments & Parts » AEG Internal Parts » AEG Main Springs

Retro Arms Gearbox Spring w/ Progressive Winding for Tokyo Marui NGRS Airsoft AEG Rifles
(Model: M110)

ID: 124364 (SPR-RA-8821-NGRS-110)
8821
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Retro Arms

$12.00

This item is currently Sold Out

Model Options:
ModelM100
ModelM110
ModelM120
ModelM130
ModelM140

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Product Description

Features

  • Ultra durable silicone chrome steel construction with progressive winding
  • Variable tension, reduces stress, wear and tear for your gearbox
  • Designed to last thousands of rounds without any compression or deformation
  • Reduces stress, wear and tear for your gearbox due to less compression force at rest

Manufacturer: Retro Arms

1 Customer Review

(Write a review)

by Kyle H. on 06/25/2025
"Not for TM NGRS AEGs.
NGRS gearboxes use a much shorter spring than standard AEGs. These springs are longer than standard AEG springs, resulting in the piston being unable to fully retract. If you install this into your NGRS gearbox you will most likely destroy the piston rack, or even the gears.

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Retro Arms