If you generally like RL 17, then try the new RL 16 which is temp stable and has the copper eraser tech as well. I am playing with it in my 6.5 CM Savage 10BA Stealth rifle and getting decent results. I am shooting Nosler 140 gr RDF, 43.0 gr RL16, BR4, and getting 2700 fps with about .5 moa...