yuo should be fine with what you have. Also I'm shooing the same arrow 28" with 100gr tips and the total weight is 393 gr not 350. Download eastons shaft selection see.

Arrow length 28"

shaft weight 235 gr
point weight 100 gr
nock system weight 13 gr
rps insert weight 21 gr
Fletching 24 gr

Total393 gr.


I started myswitchback at 63 and I believe I'm at 65 now.