I have shot barnes 290gr tmz they shot good to 300 yards 3 3/4 in groups in my gun the 300gr pt gold is 5 in groups at 300 yards and if you weigh the bullet they can be out as mush as 5 1/2 gr or more and all are over 300 gr I weigh all my bullets to help constancy of every round fired have not shot a deer with the pt but have shot the barnes and have performed very good for me at 25yds to 200yds in a 50 cal and so for the lehigh bullets are doing very good at the range will use them this next season