I had the same problem with my mathews mission.
The center shot is close to the riser, It's not cut out very much for clerance.
The blazers I was using were stiff and were hitting the cables and riser.
So I ended up switching to 3 in feathers. They would give more
as they pass by the cable and riser.
I had to switch from 5 inch vanes to 4 inch vanes with the new bow. Also as mentioned, unless your arrows have glue on nocks(aluminum arrows) you can rotate the nocks inside the arrow, they are hard to turn, and set the cock vane so it is straight out from the riser.
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