ORIGINAL: Black Stick
I'll turn it down to 60# and see what happens. Thanks for the advise.
If you don't mind, I'd like to know what those heavier spined arrows are, so I can take a look at them.
I am going by AA,I have not personally checked any of these arrows.
Trophy Ridge 300's are listed as having a .270 spine on Archers Advantage,might check with the factory to see if that is correct. 11 gr per inch
AA also list CX V MAX 2540 as having a .270 spine but I don't see them listed on their website,maybe discontinued.

11.6 grains per
And Gold Tip has the big game 100+ is listed as a .280 spine. 10.6 per
And,of course,there are some aluminums to consider.easton ,of course.