The best replacement for muzzle brake is compensator.

The best alternatives to muzzle brake are rated as following:
★★★★★  compensator
★★★★★  flash hider
★★★  flash suppressor ghosts
★★★  silencer ghosts
★★★  flash suppressor
★★★  heavy barrel bf4
★★★  suppressor
★★★  compensator bf4
★★  foregrip
★★  silencer
★  porting
★  heavy barrel
★  armor piercing
★  magna port
  ported barrel
  no muzzle brake
  flash hider for suppressor
  magnaport
  muzzle break

Your alternative for muzzle brake is not listed? Suggest!
Speaking about muzzle brake, one probably shouldn't forget about suppressor.

Other search terms related to muzzle brake and their ratings are:
★★★★★ suppressor
You have in mind a companion for muzzle brake and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of muzzle brake in all years. Click on graph for more.
muzzle brake
compensator
flash hider