Drop-in gearboxes seem to be popular these days (HPA or regular AEG). The MODIFY Torus Reinforced Gearbox Ver.3 is now available! Most of features succeeded from the well known Torus Reinforced Gearbox Ver.2. but with several additional features as shown below. The Ver. 2 gearbox is a rock solid gearbox which can handle high FPS forces, also this Ver. 3 gearbox will handle high FPS with ease. However these top notch gearboxes will come with a heavy price...

The additional features of the Ver. 3 gearbox are:
Interlocking design and Reinforcement
Modify Torus enhanced Motor Mount set
Modify Stopper Rail for Ver.3 (except AUG)
*The gearbox plate has three wire clips built in to protect the harness
*Larger detent on gearbox for more positive locking on the stopper rail.

Here is an overview of the detailed new product parts and their serial numbers:

GB-10-03
Torus Reinforced Gearbox 7mm - Ver.3 (w/ Dust Cover)
GB-10-04
Torus Reinforced Gearbox 8mm - Ver.3 (w/ Dust Cover)
GB-10-05
Torus Reinforced Gearbox 7mm - AK series (w/ Dust Cover, Gearbox Screws, Stopper Rail, TROX Keys w/ Small Grip T10, Selector Plate and Tappet)
GB-10-06
Torus Reinforced Gearbox 8mm - AK series (w/ Dust Cover, Gearbox Screws, Stopper Rail, TROX Keys w/ Small Grip T10, Selector Plate and Tappet)
GB-10-13
Torus Enhanced Motor Mount Set for AK Series w/ Screws and Motor Plate
GB-10-14
Stopper Rail for Ver.3 (except AUG)