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100 grain vs 125 grain?

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100 grain vs 125 grain?

Old 01-04-2003, 07:29 PM
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Default 100 grain vs 125 grain?

I currently shoot a 100gr muzzy out of a 60lb Legacy with arrows about 27 inches long. I considering changing to 125 grains to add weight for a heavier, more forgiving setup. Will this 25 grain difference really have any effect on making the shot more quite and forgiving?

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Edited by - Belle Island on 01/04/2003 23:01:46
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Old 01-04-2003, 09:08 PM
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Default RE: 100 grain vs 125 grain?

I'm not as cool as 5-shot, but I don't think it would make a hill of beans worth of difference. Ones wider than the other, but it's heavier too. I use the 100s and get pass throughs at 40 yards. I would assume the 125 would do better on bone but you don't have much hope smacking shoulder no matter what you use.

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Old 01-05-2003, 06:31 PM
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Default RE: 100 grain vs 125 grain?

Funny, I'm going from 125's down to 100's. I put 100 grain field tips on and did a little target shooting. I didn't see any difference on point of impact at 20 yards. When you consider the percentage of change you are making in the total arrow weight, I guess that makes sense. Jim

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Old 01-05-2003, 07:03 PM
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Default RE: 100 grain vs 125 grain?

It may make the bow a little quieter, but you better make sure your arrows are spined stiff enough to accpet the heavier points. Personally, I'd stay with the 100's

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Old 01-05-2003, 09:42 PM
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Default RE: 100 grain vs 125 grain?

Another factor to consider is the FOC, or 'front of center' calculation. Different weight tips influence the flight of the arrow and there is a theoretical range of what percent of the arrow's weight should or should not be ahead of the midpoint. This calculation can be made using the procedure outlined at www.bowjackson.com
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Old 01-06-2003, 02:04 AM
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Default RE: 100 grain vs 125 grain?

Canuck 2 hit it on the head. Depends on the arrows you use, form and method of delivery(release, fingers etc). The switch may be the greatest or the worst move you ever make or it may not matter much at all.
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Old 01-06-2003, 04:34 AM
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Default RE: 100 grain vs 125 grain?

I can't add much to what has bee said already. I don't think you will see much differnce either way. I have also found that in order to make the bow more quiet it takes at least 50 grns of arrow wieght, and 75 is more like it. To effect penetration to any real degree you need to add at least 100 grns to the arrow. I have shot both wieght heads with great results. I would give it a try, if your accuracy improves go for it. If it gets worse go back to the 100 grn heads.

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Old 01-06-2003, 05:31 PM
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Default RE: 100 grain vs 125 grain?

<BLOCKQUOTE id=quote<font size=1 face='Verdana, Arial, Helvetica' id=quote>quote:<hr height=1 noshade id=quote>
To effect penetration to any real degree you need to add at least 100 grns to the arrow.
<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face='Verdana, Arial, Helvetica' size=2 id=quote>

I guess I agree. I think that an extra 100 grains of arrow weight would be an increase in penetration of about 15% on a deer. It might be enough to get through the spine when that deer ducks the arrow.

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Old 01-08-2003, 07:17 PM
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Old 01-09-2003, 10:01 AM
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Default RE: 100 grain vs 125 grain?

Personally, I would stay with the 100 gr. heads and add the weight with a step or two heavier shaft.

This increases the spine strength while distributing the weight equally along the length.

There is an often overlooked benefit: the fletching, vanes or feathers, have to stabilize the arrow. More weight on the front end = less efficient stabilization. I say overlooked because you don't actually notice this when shooting while it's calm, but add a 10-15 mph breeze and see the group open up. The heavier points opening the most.


I tried this last spring and went with 85 grain points and heads and added 30 grains to the arrow weight. I'm even thinking about adding another 8-10 gr.

My 2.5 cents worth.



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