Byrna vs. Umarex Pepper Launchers Review and Comparison

I purchased three pepper launchers (tear gas air pistols) for my adult children. I did a complete review of setup, loading, CO2 charging, and firing both the Byrna ($300) and the Umarex ($79) pepper launchers.
I shot both pistols into a homemade cardboard trap and homemade "ballistic Jell-o" (just for kicks) to compare the penetrating power of each.

Here's a link to my review and comparison of the JT ER2 air gun and the Byrna SD pepper launcher:
   • $39 JT ER2 vs. $400 Byrna Review and ...  

Links to the products shown:
Umarex https://amzn.to/3OAGjxD
Byrna https://amzn.to/4gfapCl
Eco-kinetic chalk ammo https://amzn.to/49oxEbc