Muzzle brakes and compensat5ors are very functional pieces that work on barrel dynamics including harmonics and muzzle blast redirection to improve the shooter experience on multiple levels from accuracy to recoil profile. Some muzzle brakes and compensators are built for multiple purposes, though in practice, the best bet is to choose a specific use case and adjust your purchasing to meet that requirement. Compensators are best for tuning for accuracy and for changing the bore exit dynamics, where are muzzle brakes are generally reserved for reducing muzzle flip and recoil force.