Nosler # 8 reloading book shows starting charge of 59 grains and max charge of 63 grains. Hope this helps. I have reloaded several guns in the 280 AI and the powder that has worked best for me has been Reloader 19. Having said that I have only used 140 gr. Nosler AB.
This is the same info I have been following but I'm a full grain off of max, beating the listed velocity by 150 fps (with 2" less barrel) and already starting to see pressure so I was hoping to compare this data with another source
Great advise on how to blow up a rifle and win a free trip to the ER....
Lol, was written in jest but a full case of 165 works with my 280AI. N165 is slow enough to where a nearly a full case works great for 120-150 pills. Always work up loads though
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