I not that experienced and am somewhat of a newbie here. But I have a degree is physics. And I can tell you that those aluminum tips are not going to melt at high velocities like other popular bullets do when they get down range and start to wobble. I think that a lot of people will be singing a different song about these new bullets. I just shot my first few rounds yesterday after a late night of reloading just a box. I am old school so I shoot a 7mm Rem magnum using a browning bar built before 1993 when the steel barrels were still made stronger. I have never shot through the same holes at 300 yards sighting my rifle in yesterday. I have big expectations when I go out today to shoot at 500 yds. I plan on buying more of these A-tips for my better other rifles this week. I believe they will be sold out very fast after word gets out of their long range accuracy. Just my opinion. I will follow up and let you guys know when I begin trying these at 800 to 1000 yds.