I do load long but used a comparator to measure to the lands and found a sweet spot 20 thou off. Yeah your right not much barrel life for this chambering and it's a hunting rifle that's seen about 300 rounds with multiple load development, and a couple hunting seasons. But now that I have a load figured out especially with the 156, I'm not going to mess with it and it will be several more years before it's done. IMHO the 156 is the ticket for this. Shots under MOA all the way to 1K. Thank you for your input, greatly appreciated. Sorry didn't mean to hijack the thread just wanted share my experience.