Howdy
I have been shooting standard 45 Colt loads for a long time, starting around 1975 with a Ruger Blackhawk. I never found the recoil to be particularly punishing. A few years ago I decided to change over to Black Powder loads for Cowboy Action Shooting, and kept reading how the stouter recoil of Black Powder loads could be better controlled with a Ruger Bisley grip. I was shooting my standard 45 Colt loads in a pair of Ruger Vaqueros at this time. So I bought a Stainless Bisley Ruger Vaquero.
I wound up only shooting the Bisley at one match and eventually sold it. I decided I simply liked the traditional plow handle grip of a standard single action revolver better, even with full house Black Powder loads. I do allow the grip to rotate in my hand in recoil, just as it was designed to do, and that makes recoil very comfortable.
I have no experience shooting a 454 Casul, or any other of the modern high powered revolver loads, but at least as far as standard 45 Colt loads with either Smokeless or Black Powder, I prefer the standard plow handle grip of a Ruger or a Colt and how it rotates in the hand to help absorb recoil.
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Just so we are clear on the concept, the Ruger version of the Bisley grip is not true to the original Colt Bisley design. Colt developed the Bisley model as a target pistol for the National Target Matches held at the Bisley range outside of London England. The model was produced from 1894 until 1915. The grip swept forward much more sharply than the Ruger version. It was designed this way because target shooters of the day often fired with a slightly bent elbow. When pointed with a bent elbow, the Colt Bisley naturally pointed forward. When shot with a straight elbow as modern shooters do, it tends to point down.
This is an original Colt Bisley revolver.
I have always believed that the Ruger version of the Bisley is based in part on Elmer Keith's famous #5, a custom Colt Single Action Army revolver he had built. His #5 had a hammer similar to a Colt Bisley and a raised hump at the rear of the grip, but did not sweep forward as much as the Colt Bisley grip.
This is the Ruger version of the Bisley grip. It is much more straight up and down than the original Colt Bisley design.