11boo
WKR
I was shooting a 6.5 cm while my braked 300 cooled, and my results were similar.Obviously recoil is highly subjective to each shooter, but I've got a lightweight 300 with a SRS 3 port brake, and when I shoot it back to back with my unbraked 6.5 Creed I can't really tell a difference in felt recoil.
I bet that 300 OP has is a dream to carry, my Ruger goes a bit over 10 lbs loaded.