AIRSOFTCON 2026 - October 17, 2026

» » »

Retro Arms Gearbox Spring w/ Progressive Winding for Airsoft SR25 AEG Rifles
(Model: M140)

ID: 124374 (SPR-RA-8832-25-140)

Tap or click above to open expanded view

$12.00

Airsoft Authority Since 2001
Serving enthusiasts for over 25 years

Industry-Leading Warranty
Buy with confidence - 90 day warranty

Ships Fast from US Warehouses
Free shipping over $149 in lower 48 states

Order Today Receive as soon as Tue Aug. 4

Model Options:

Model

Model

Model

Model

Model

Description

Specs

Reviews

Find in Store

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

Velocity: Approx. 450~550 FPS
Compatibility: Most Airsoft SR25 AEG Gearboxes
Material: Steel

(Write a review)

There are currently no product reviews.

Evike.com Online Store

In Stock

Evike.com Superstore

2801 W. Mission Rd., Alhambra, CA 91803

In Stock limited quantity

Have an urgent question about this item? Contact us, our resident experts are standing by to answer your questions!

Warning: California's Proposition 65

Did you find this product somewhere else for cheaper? Request a price match.

Customers who bought this also purchased

Parts and accessories may not be compatible with the product displayed on this page. For compatible parts/accessories, see the You May Also Need section and please verify details on the product description page.