I just threw a Witt Machine Clamp On muzzle break onto my 270swm. Man it is night and day different! Reduced recoil well over 60% and the muzzle hop is almost non existent. My sights never leave the target once i pull the trigger. Highly recommend Witt Machine for Muzzle Breaks.
I did the Christensen side baffle brake on my 270 WSM. It didn’t change POI at all and made it a dream to shoot. I can watch impacts and I have a super light rifle, no muzzle jump, and it barely seems to move now.