I had good luck with these bullets in my 264 win mag.I shot clover leafs at 100 yards and just above am inch at 300 yards.I shot two pronghorns at 350 yards flipped them dead off their feet .I will try reloader 17 and 22 first starting at 40 grains .The 155 grain lapua has a BC of .377 and is made for moose in Sweden .