One more video to pull our generic GBBR advice all together- how to actually make these things effective on the field.
(Late addition: On the subject of optics, also consider the Sig Romeo 7S- they can regularly be found for $100-150 in the US, and are excellent for the price)
Madbull propane adapter cap (not our design- ours is still WIP):
https://www.thingiverse.com/thing:3772347
Matrix propane adapter cap (our design):
https://www.thingiverse.com/thing:6487877
Lens protector tutorial:
https://youtu.be/T6Fqnsletww
XE merch available at:
https://xeairsoft.com/