V2 Bearing Spring Guide

£16.95

Fits Version 2 airsoft AEG gearboxes
Free-running bearing head lets the spring rotate freely
Prevents spring twist and contortion that damages internals
Relieves spring tension on every cycle to prolong spring life
Robust, durable one-piece steel construction
Part of ASG’s proven Ultimate Upgrade Series

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Description
Specification

A smoother cycle for your V2 gearbox

The ASG Ultimate Version 2 Bearing Spring Guide is a popular internal upgrade for the Version 2 AEG gearboxes at the heart of most M4, MP5 and similar airsoft rifles. Its free-running bearing head lets the spring rotate freely through compression and release, rather than grinding against a static face, for a smoother and more consistent firing cycle.

Looks after your internals

A twisting spring loads the piston unevenly and wears both parts prematurely. By letting the spring uncoil naturally on every shot, this guide relieves that tension, prolongs spring life and cuts the risk of piston damage. It is inexpensive protection for a pricey gearbox.

Made to last

Machined from high-strength steel as part of ASG’s respected Ultimate Upgrade Series, it is robust, durable and dimensionally accurate for a precise fit, whether you are rebuilding a tired gearbox or assembling a new one.

Let us fit it

Installation requires a gearbox strip, so if you would prefer to leave it to the experts, our Kent airsoft repair and servicing team can fit and test it for you.

Product information reviewed by James Smith. Every gun is checked & serviced by our Rochester workshop before dispatch.

General
Brand	ASG
Other
Compatibility	Version 2 AEG gearbox
Type	Ball-bearing spring guide
Bearing	Free-running bearing head
Material	High-strength steel
Series	ASG Ultimate Upgrade Series
Function	Reduces spring twist and friction on compression

Recommended upgrades & accessories

Frequently asked questions

Which gearbox does this fit?

It is designed for Version 2 airsoft AEG gearboxes, found in most M4, MP5 and similar platforms. Confirm your gun's gearbox version before ordering.

What does the bearing do?

The bearing head lets the rear of the spring rotate freely as it compresses and releases, instead of binding against a fixed face. That stops the spring twisting and smooths the cycle.

Will it increase my FPS?

Not by itself. It improves consistency and reliability and protects your spring and piston, which is why players often fit it alongside an upgrade spring.

How difficult is it to install?

It is a simple part but fitting it means stripping the gearbox. If you would rather not, our Kent workshop can handle it.

Why upgrade from the stock guide?

Many factory guides lack a bearing and let the spring twist and wear. A steel bearing guide adds durability and evens out every firing cycle.

V2 Bearing Spring Guide