I had the privilege/ misfortune to fire the 460 with the integrated muzzle brake. 3 quick shots on after the other was enough for me. All 3 connected with the 3 inch target at 25 yards so a charging buff would have been gone. It was with great pleasure I handed it back to the owner.
Recoil is what you would call hows ya father it really gets your attention but the recoil on the 378 with full power 300 grainers is absolutely brutal.
I looked up the .378s recoil on Chuck Hawk’s online recoil table. It is 71 ft lbs! The Lott is 70 lbs. it didn’t have the recoil velocity listed, but I’m sure it’s brutal.