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AirTac Customs x MAC CRBN Gearbox
AirTac Customs x MAC CRBN Gearbox
AirTac Customs x MAC CRBN Gearbox
AirTac Customs x MAC CRBN Gearbox
AirTac Customs x MAC CRBN Gearbox
AirTac Customs x MAC CRBN Gearbox
AirTac Customs x MAC CRBN Gearbox
AirTac Customs x MAC CRBN Gearbox
AirTac Customs x MAC CRBN Gearbox
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AirTac Customs x MAC CRBN Gearbox

Vendor
AirTac Customs
Regular price
$84.99
Sale price
$84.99
Regular price
Sold out
Unit price
per 

The ATC x MAC CRBN Gearbox is Here!

In partnership with MAC, known for their receivers, barrels, and gearboxes, we're releasing a huge batch of CRBN gearboxes for your CRBN Uppers! (CRBN Gen 2 coming Christmas)

This CRBN Gearbox allows you to use a CRBN Upper with ANY V2 airsoft replica engine system! It's now possible to use Polarstar drop-in engines such as the F2, F1, and Jack in your build, as well as Wolverine and Redline engines!

Expand the capability of your CRBN upper builds with an AirTac Customs CRBN Gearbox!

This AirTac Customs CRBN Gearbox includes:

AirTac Customs CRBN Gearbox:

  • Machine milled to perfection
  • Included centering grub screws for HPA engine
  • Gearbox screws for both halves
  • Matte black finish
  • Allows compatibility of a CRBN Upper with any drop-in HPA engine
  • Does not include selector plate or trigger board screw

Compatible with:

  • [CRBN] G&G-style V2 Lowers (SSG1, ARP9, SSG556, etc)
  • Any other V2 lower, upper, and grip.
Customer Reviews
5.0 Based on 5 Reviews
5 ★
100% 
5
4 ★
0% 
0
3 ★
0% 
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2 ★
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1 ★
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Filter Reviews:
BA
03/01/2023
Benjamin A.
United States United States

smooth, great quality, no messing around

quality of the gearbox is great, just perfect for my polarstar build. adjusting things was easy and placement fit just right. the window made instaling the end cap much easier haha but also it kept nice and aligned with the airtac upper. definitely must have

MJ
03/01/2023
Matthew J.
United States United States

Perfect fit

This gearbox is perfect for any application. Very well made. Easy install. I own 3 of them now!

A
03/01/2023
Anonymous
United States United States

The best

Worked with my airtac upper perfectly that I bought at the same time. Whole set up shoots Lazer beams, literally. Highly recommend and the staff is knowledgeable and kind. This is the setup to have with Airtac parts for the new season.

DP
03/01/2023
Dash P.
United States United States

Nice

I love this gearbox as it is easy to install and it makes the install of the CRBN upper much easier.

A
03/01/2023
Anonymous
United States United States

10 out of 10

there carbon uppers and the gearbox make your gun 10x lighter

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