Three parts, cut to fit each other. Everything you need to finish a G80, in the order you need it.
The clamshell jig clamps the unfinished receiver and locates every cut and hole for you.
Take down the rail blocking tabs, the trigger housing tab and the recoil spring tab, then drill the pin holes.
Seat the finished receiver in a 120R-compatible grip module and install the hardware.
The full step-by-step guide for the polymer jig, with photos of every cut.
Open-source grip module models, free to download and manufacture however you like.
Which Glock parts, magazines and 120R grip modules work with the finished G80.
Kit contents, legality, lead times and serialization: the questions we answer most.
The Build Kit has all three parts. Already own a jig? The Next Build Kit is the receiver and grip module alone.
G80 products are not currently available to persons outside the United States and are not available to residents of and persons in the states of New Jersey and California.
![G80 Build Kit [Polymer]](https://g80dotcom.s3.us-east-2.amazonaws.com/wp-content/uploads/2026/08/1781084590604-792s91kjugk-7-275x206.png)
![G80 Next Build Kit [Receiver + Grip]](https://g80dotcom.s3.us-east-2.amazonaws.com/wp-content/uploads/2026/08/g80-receiver-grip-kit-275x230.png)
