Big Dragon 8mm Bearings

£7.95

8mm ball bearing set for a wide range of Version 2 and Version 3 gearboxes
Reduces friction on the gears for smoother, more efficient cycling
Helps sharpen trigger response and support a higher rate of fire
Keeps the gear set stable and aligned for consistent performance
A popular first internal upgrade for AEG owners and techs
Suits both beginner rebuilds and higher-performance builds

In stock

Guaranteed Safe Checkout

Why Buy From Platoon Stores

In-House Repair Workshop in Rochester Kent

Kent's Only Authorised 5.11 Tactical Retailer

UKARA Registered Retailer

What our customers are saying

Be the first to leave a review.

Write a Review

There are no reviews yet.

Description
Specification

A smart first internal upgrade

If you are opening up your AEG for the first time, swapping the standard bushings for the Big Dragon 8mm bearings (BD1227) is one of the most rewarding upgrades you can make. Ball bearings run with noticeably less friction than plain bushings, so the gears turn more freely and the whole gearbox cycles more smoothly.

Efficiency you can feel

Less friction means less energy wasted, which translates into crisper trigger response and support for a higher rate of fire when the rest of your setup allows. The bearings also help keep the gear set stable and correctly aligned, so performance stays consistent shot after shot.

For a wide range of gearboxes

These 8mm bearings are designed for a broad range of Version 2 and Version 3 gearboxes, covering many of the most popular M4, MP5, AK and G36 style AEGs. Always confirm your gearbox is built for 8mm before ordering.

Beginner-friendly, tech-approved

Easy enough for a first-time rebuild yet effective enough for higher-performance builds, they are a trusted choice for UK players chasing reliability and efficiency. Browse more airsoft parts, or book our Kent workshop to fit them.

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

General
Brand	Big Dragon
Other
Model	BD1227
Type	Gearbox ball bearings
Size	8mm
Quantity	Bearing set (6 bearings for a gear set)
Compatibility	Version 2 and Version 3 AEG gearboxes
Function	Reduce friction, improve gear alignment
Fitment Note	For gearboxes built to accept 8mm bushings/bearings

Recommended upgrades & accessories

Frequently asked questions

Which gearboxes do these fit?

They suit a wide range of Version 2 and Version 3 AEG gearboxes that are built to accept 8mm bushings or bearings. Check your gearbox is 8mm before ordering.

Bearings or bushings, which should I choose?

Ball bearings run with less friction and can feel smoother, which many players like for efficiency and trigger response. Solid bushings are more durable under very hard springs. For most standard and mid-power builds, 8mm bearings are a great choice.

Will these increase my rate of fire?

By reducing friction and keeping the gears aligned, they help the gearbox cycle more freely, which can improve trigger response and support a higher rate of fire alongside your other setup.

Are these hard to fit?

They go in when the gearbox is open, so it is a job for someone comfortable with internal work. If that is not you, our workshop can fit them.

Is there an age restriction?

No. This is an internal spare part, so there is no age restriction and no UKARA requirement.

Big Dragon 8mm Bearings