- Cut to your normal arrow length
- Optional: allow one extra inch beyond normal length
- Check nock fit / improper fit causes poor grouping
- Use the screw-in inserts for your first six phantom
carbons
- Begin with 75 gr field points + insert = 87 gr
- Test groups at 40 yds / record results
- Test 85 or 90 gr field points + insert = 97 or 102
gr/record
- Test 100 gr field points + insert = 112 gr
- Test 110 gr field points + insert = 122 gr
- Return to the point weight that, according to notes,
groups the best
- Fine tune arrow rest, nocking point and draw weight.
- Paper testing may show slightly more nock-high than aluminum shafts
- Break off segments of the phantom bullets to match
best grouping weight
or choose appropriate grain weighted insert points for the remainder
of your shafts.
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