60 yards for me on cardboard deer silhouettes stapled to a couple tomato stakes, 5" S&W smooth cylinder 629 44 mag, and a 10.5" barreled Ruger Super Blackhawk, both factory irons.
Both revolvers fired the 300 gr LBT WFNGC's, the Smith being a couple hundred fps slower than the Ruger.
Those heavy slugs penetrate like nobody's business! I just loaded up some 305 grain, wide meplat type loads, pushed by heavy doses of H110. I am going to sight in my 7.5" Redhawk with them.
Looking forward to RJM's next trip out here, so we can have a little more long range fun.