I love them and with the nocks I just heat the end a little and press them on a flat surface and perfect,,, as far as the nocks tight fit a standard broadhead file put into the string nockand then rip the file out thru its whole length creates a perfect snap,, like denny's in the shoot instinct better#2 video.
I use fletch tite glue over one stringers wraps, I use 5-minute epoxy on the inserts (brass and aluminum.
had one crack but it was my stump arrow,, I used 5 minute epoxy and while spinning the shaft I just went around the crack with heavy thread (like tying on a fishing pole eye) and then coated wioth the epoxy and even after hitting solid oak trees it still hasn't broke.
I tried all brands and keep coming back to heritage,, Gold tips where the worse with all different spine delfections from each doz..