Finally got all the parts together for my new gun: Bergara .300 win mag, SWFA SS 3x15x42, Terminator T2B muzzle brake, and bipod. Took it to the range and shot over 40 rounds of factory ammo. Some better than others but most right at 1 moa. Was easily hitting a 7" plate at 550 yards.
I will say this if you want to reduce recoil on a big gun the Terminator brake is amazing. I shot this gun for a couple hours, over 40 rounds and honestly never felt much kick at all.