Retro Arms CNC Split Gearbox V2This is the new 2025 Retro Split Gearbox in Grey RetroArms Gearboxes are manufactured from one block of aircraft aluminum (Dural) EN AW 7075 T651, they are milled on multi axis CNC machines. The Split variant allows the user to remove their upper portion of the gearbox , accessing the entire compression system, without interfering or messing with the lower half which holds the gears and mosfet. With this access the user can inspect their gearbox with

The intensity is set in the app from 0 to 80%

Fitment & Sizing

In Cursive Font - Rental Ripper will be enrgaved on both sides as per photo

The Hybrid Pro is the NEWEST hybrid mosfets from Perun

the user will be notified by short sound signals that are repeated every minute

⦿ Jefftron Optical Mosfet

We no longer manually modify the 3rd tooth with the release of our Ultimate Piston which has this feature

The Advanced Speed Trigger is completely compatible with Most Optical Mosfets

Rock Hard Surface Treatment to further increase durability

ELECTRONIC FUSE

Results may vary

or builds focused on semi auto response