gold tip blem question

[nhbuck1]

i see on big jims website there listed as 9.3 gpi and on three rivers there 11.3 gpi, which one is it? it seems these are alot weaker in spine compared to the 3 rivers trad only, im shooting 50 grains less point weigh out of my 50 lb pound then the trad onlys, although i can not get rid of nock high with the blems

[Montri]

They are not the same model.

[nhbuck1]

Thank you