100 gr broadheads vs. 125? - The HuntingPA.com Outdoor Community
 
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post #1 of 7 (permalink) Old 12-31-2015, 12:25 PM Thread Starter
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100 gr broadheads vs. 125?

Hi guys, I just bought a new Parker Thunderhawk, and they recommend using 100 gr broadheads, and also give u 100 gr field points with the bow. I was wondering if I could use 125 gr, because I have a bunch of rage 125 gr from my old bow. How would the 125 gr heads effect the speed accuracy, limbs ect? thanks in advance.
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post #2 of 7 (permalink) Old 12-31-2015, 12:32 PM
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Re: 100 gr broadheads vs. 125?

I would use whatever the manufacturer calls for bu I think with crossbows going heavier is better then lighter.
My crossbow came with 125 gr field tips so thats what I got for hunting tips. They will hit different so make sure you sight in with what you are going to shooter.

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post #3 of 7 (permalink) Old 12-31-2015, 05:38 PM
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Re: 100 gr broadheads vs. 125?

I have used 125's for years. If they shoot good use them.
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post #4 of 7 (permalink) Old 12-31-2015, 06:08 PM
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Re: 100 gr broadheads vs. 125?

125 grain will be a bit point heavy as compared to the 100 grain. You will loose a bit of speed in feet per second. For every 10 grain over the basic 400 you will loose 3 feet per second. Being 25 grain over divide by 10=2.5x3=7.5 feet per second loss. Advertised feet per second is based on a crossbow shooting a 400 grain arrow-point combination. All the best.
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post #5 of 7 (permalink) Old 12-31-2015, 07:42 PM
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Re: 100 gr broadheads vs. 125?

Hi JIm.

If the factory arrows have aluminum inserts up front, I suspect you will get better flight and accuracy by using 125 grain heads. It improves the FOC balance which is important with crossbows. If your arrows have brass inserts up front, the 100 grain heads should be ideal.

You will lose a little speed with the extra 25 grains but your kinetic energy will bump up a bit.

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post #6 of 7 (permalink) Old 01-01-2016, 12:36 PM Thread Starter
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Re: 100 gr broadheads vs. 125?

Thanks guys for all the great info. I guess I can loose a little speed. The crossbow is rated at 320 fps. I use to shoot the 175 lb Terminator and I don't think the speed was that fast and I used 125 gr.
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post #7 of 7 (permalink) Old 01-10-2016, 05:43 AM
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Re: 100 gr broadheads vs. 125?

Quote:
Originally Posted by dpms
Hi JIm.

If the factory arrows have aluminum inserts up front, I suspect you will get better flight and accuracy by using 125 grain heads. It improves the FOC balance which is important with crossbows. If your arrows have brass inserts up front, the 100 grain heads should be ideal.

You will lose a little speed with the extra 25 grains but your kinetic energy will bump up a bit.
What he said! This is why I am so glad that I can still use all the 100 grain Muzzy's I have.

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