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Old 09-27-2016, 06:57 PM
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Jhabs Jhabs is offline
 
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Location: Okotoks, AB
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Default Help with arrow spine.

So I'm having problems finding the correct spine to shoot. When I look on different manufactures websites they are telling me to shoot 400's with my set up but when I use archers advantage it is telling me that 400's are slightly weak but 340's are marginally stiff. I guess I should probably buy a couple arrows of both spine and shoot the one that groups the best but I thought I'd ask here first before spending the money. Specs are listed below. Anyone else have these problems when trying to find a correct spine?

IBO 325. Pulling 60-64 pounds. 29" draw and arrows cut to 28". 100 grain points/broadheads.
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Old 09-27-2016, 07:43 PM
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CNP CNP is offline
 
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400's
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Old 09-27-2016, 10:51 PM
Wapiti88 Wapiti88 is offline
 
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Default Arrow spine

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Old 09-28-2016, 07:05 AM
rmatei rmatei is offline
 
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Try the Carbon Express selection chart on their website. Looks to me that 350's would work for you.
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Old 09-28-2016, 07:16 AM
jcrayford jcrayford is offline
 
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Quote:
Originally Posted by Jhabs View Post
So I'm having problems finding the correct spine to shoot. When I look on different manufactures websites they are telling me to shoot 400's with my set up but when I use archers advantage it is telling me that 400's are slightly weak but 340's are marginally stiff. I guess I should probably buy a couple arrows of both spine and shoot the one that groups the best but I thought I'd ask here first before spending the money. Specs are listed below. Anyone else have these problems when trying to find a correct spine?

IBO 325. Pulling 60-64 pounds. 29" draw and arrows cut to 28". 100 grain points/broadheads.
I might option for the 340's you've listed.... Would give you the option to bump your BH weight up in the future without changing arrows? But confirm PRIOR to purchase....

I initially bought 340s (FMJ, shooting 29.5" @ 70#) and had 100 gr points on. Chose to go with a heavier point to bring arrow weight up a little and had to replace the 340s with 300s (which was even better as my overall arrow weight jumped up again with the 340 to 300 switch - a win/win situation for me)

J.
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Old 09-29-2016, 08:15 PM
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Jhabs Jhabs is offline
 
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Thanks for the advise everyone. I went with the bema ics hunters in a 400. Was able to cut them down to 27.5 with my rest and they are shooting amazing! 403grains finished weight shooting 276fps with 10% foc.
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Old 09-30-2016, 10:36 AM
albertabighorn albertabighorn is offline
 
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400 shpuld be fine but both should fly fine as long as your bow is tuned.
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