They accurate but open up pretty fast so I only use them on deer & antelope. I prefer something more controlled expansion and deeper penetration on elk.
Just a few examples...all 300 rum. To much gun for me IMO
2008- elk season 185 gr. vld 300 rum at 3250 fps.- spike bull quartering away. 40 yards. thick cover. shot was in the 4th rib back from shoulder. elk humped up looked back at me and fell down. skinned the elk and found a totaly liquified chest cavity. tiny lead particles in the heart lungs area.
2008- deer 165 mrx barns at 3300 fps. 427 yards shot was 3 rd mid ribs behind shoulder. deer ran 100 yards and ran out of blood. exit hole was 3 inch ? damage was confined to lungs.
2009- cow elk- 211 yards 185 vld. 3250 fps. shot a little back from 6th rib. futher back than I wished. cow ran 50 yards and slid down in snow to my feet. guts were mess. lungs liquified 3/4 way back. no exit. lead cloud. messy situation.
2009- wife- cow elk 7mm rem 140 gr. tsx ? 2850 fps. 185 yards cow shot behind shoulder 2 nd rib. ran down hill 40 yards. fell down and was shot again in neck. both exit wounds were 2 to 4 inches. neck was broken behind ears.
chest cavity wound confined to top of heart and some upper lungs.
2009- 300 rum- 185 vld. 496 yards.Big Cat- hit low in chest broad side. entered first rib. blew out brisket. Cat slumped and landed in a pile never moved again. no sign of any bullet or fragments. 4 inch exit wound.
2009- deer. 330 yards broad side. 190 vld at 3180 fps. deer ran 20 feet fell down. entire chest cavity above diaphram liquified. small fragments of jacket found.
2009- elk. spike bull 70 yards. 190 vld at 3180. neck shot. dirt nap. all four legs tucked to fetal position and landed that way. 4 inch exit hole. 3 neck vertabray gone. spinal cord gone. no fragment of jacket found. lead cloud in hide on oposite side.
2010- deer 190 vld- 3180 fps. 103 yard. full frontal shot below neck line at center chest. chest cavity liquified above diphram. DRT. found a small jacket and some particles of lead. jacket weight was 23 grains.
2010 dad deer- 300 wsm 165 tsx at about 3000 fps ? not hand loads. 400 yards deer broad side. shot hit low in chest and some lower leg. could have been better. deer found 1/2 hour later. still alive. finish shot neck. no sign of any bullet. exit wound neck was 2 inches ?