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V2 RetroArms Gearbox, fully assembled with GATE TITAN + Motor + 3 x 11.1v Batteries

130.00 GBP FOR SALE
Offered by: Shizbazki
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6 days and 21 hours left (October 15, 2025)

Specs
Item Condition USED
Quantity 1

Luton United Kingdom

0 Questions

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Description

Accessory/Make: V2 RetroArms Gearbox, fully assembled with GATE TITAN + Motor + 3 x 11.1v Batteries

Condition: Used

Splits/Swaps/Part Exchange: No x 3

Price/Payment: £130

Location: Luton Area

For sale is a completely built, high end V2, no expenses spared gearbox.

All parts were purchased from reputable Airsoft vendors circa Jan 2018, so no dodgy clone parts.

Bought to create a high end no expenses spared AEG gearbox to be fitted in a G&P SAI M4 receiver to compliment a highly accurate HPA version of the same gun, basically I could change the guns inner workings by just swapping the lowers from HPA to AEG should I play at a “no HPA” site.

This never materialised much, the gearbox was used at probably two game days as the HPA was (IMO) a preferred platform.

Using a .25g BBs fired through a 370mm, 6.01mm EdGI barrel I was getting consistent FPSs between 308.5 to 309.2 FPS, under the 310FPS limit of .25g BBs.

I will list the parts below as best as I can looking at old orders from my emails.

Gearbox Shell: RetroArms CNC’d 8mm V2 Gearbox

Bushings/Bearings: Modify 8mm Ceramic bearings

Motor: ASG Infinity U-22000 Silver Motor with Long Shaft

Gears: SHS 16:1 ratio set

Anti-Reversal Latch: SHS ARL

Main Spring: Cant remember the brand, it was also probably a M105 or M110 spring

Spring Guide: Cant remember the brand, might be a RetroArms one.

Gearbox Cylinder: G&G or G&P I think

Cylinder Head: I think this was a RetroArms but don’t quote me on that

Piston: SHS 14 toothed High Speed piston

Piston Head: G&P Explosive bearing Piston head

Tappet Plate: SHS V2 Tappet Plate

Air Nozzle: SHS M4 Air Nozzle

Selector Plate: SHS Plate

Trigger: Can’t remember the brand

Trigger Mechanism: GATE TITAN Drop In MOSFET V2 Complete Set - Rear Wired

I’ll also be including 3 x 11.1v, 1000mAh LiPO batteries as well. I may send the batteries separately so that at least you get the good bits because RM gets a bit funny with LiPOs.

GATE TITAN kit is all there, see pics, so that you can change and modify the internal settings of the gearbox.

I also have for sale the SAI M4 receiver it went in should you be interested in that, contact me and maybe we can come to a deal.