Arrow spine?
I’ve got a box of Blackout 340 spine arrows and am shooting a Bear Truth 2 at 60# with 28” draw. Will I be under spine using 250gr. Field points and broad heads? I know I am over spine with 125gr. Heads, just want to make sure it is safe with 250gr. Heads.
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Not sure if I worded my question wrong or if nobody knows the answer to this. I’ve checked a few online arrow spine calculators and charts, but they don’t have any information about using this heavy of arrow points on a compound bow.
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If you are putting 250 grains up front, you will want to go to at least a 300 spine. A lot of the arrow manufacturer spine calculators don't account for this.
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Check out Archers Advantage or Pinwheel software Spine Selector. Either option (or others) will allow you to adjust a lot of variables to find good spine fit.
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You won't have penetration issues with that set up, good choice.
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