TRIDOS TDC Upgrade Kit FOR AAP-01 PK249 Gearbox: Full Metal Gearbox w/

Gearbox: Full Metal Gearbox w/ Quick Change Spring Design

this package allows you to build your AEG with your desired handguards and stocks without the wasteful expense of buying a full rifle to only replace the furniture anyway

In this way you can save ammunition and increase the realism

Hop-up - Adjustable via rotary dial by opening breach

Folding Front Sight

TRIDOS TDC Upgrade Kit FOR AAP-01 PK249 Gearbox: Full Metal Gearbox w/Thumbscrew + Set screw Fine pitch threads CNC nub plate Comes with drill jig Compatible only with stock hop up chamber Included drill jig works only with original AAP 01 AAP 01C upper This TDC kit for AAP01 replaces the stock hop up adjustment mechanism with a screw that pushes down on a custom CNC nub plate. Compared to other TDC's on the market, our version uses fine pitch threads compared to standard M4 threads, which leads to 28% increase in