Tested .308 Muzzle Brakes & Compensators. You’ll want to swap out that factory muzzle device and get a new muzzle brake or compensator. We hands-on test 6 of the most popular and well-reviewed devices out there. Not only looking at recoil data but checking out side blast, decibel readings, and reticle movement. .308 Brakes, Side Blast & Decibel Testing. By the end you’ll know the best brake for your end-use and budget. Rotorm.com analyzes and compares all 308 Muzzle Brakes of 2020. You can easily compare and choose from the 10 best Muzzle Brakes for you.