The 20” versions seem to be a much heavier contour if you look at the rifle weight.
I had a sloped shoulder done to match the Q cherry bomb so I can run braked or with the trash panda.
The Anarchy titanium brake is $70. They work well for a radial brake.
https://www.anarchyoutdoors.com/tpi-titanium-full-port-muzzle-brake-titanium/
The OD is larger than the barrel but that is not a problem.