Which footprint does the Burris Fastfire 3 use? In this article we explain which red dots share the same footprint. You will be able to tell which red dot plate or red dot mount to use to accomodate the Burris Fastfire 3 red dot.
Compatible footprint
Burris Fastfire 3 uses the same footprint as Vortex Venom.
That means that you will be able to use the same red dot mounts and red dot plates as Vortex Venom uses.
In other words, any red dot mount or plate made to fit Vortex Venom will also work for your Burris Fastfire 3.
You can see more red dots compatible with Vortex Venom footprint in this article.