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Ordered some new bolts and they arrived today. Bought GT Swift. Upon reading the box, it says these are for bows in the 100-150# range. My bow is 180#. There wasn’t any of this information on the site I bought them from. Good to use or should I find some rated for the bow weight?
 

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I'm not sure why GT rated they're crossbolts this way. It's their recommendation for bolt weight vs draw weight. It comes down to what the manufacturer of your crossbow recommends for bolt weight. I just bought some of these same arrows to try with my crossbows. Hope to give them a try very soon.

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I personally would send them back. There are 3 possibilities here. 1 they shoot fine. 2 they are under spined and accuracy suffers. 3 catastrophic failure of arrow and/or bow. You would be gambling shooting them. Just my 2 cents.
 

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I'm not sure why GT rated they're crossbolts this way. It's their recommendation for bolt weight vs draw weight. It comes down to what the manufacturer of your crossbow recommends for bolt weight. I just bought some of these same arrows to try with my crossbows. Hope to give them a try very soon.

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Not what I was told.
 

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Ordered some new bolts and they arrived today. Bought GT Swift. Upon reading the box, it says these are for bows in the 100-150# range. My bow is 180#. There wasn’t any of this information on the site I bought them from. Good to use or should I find some rated for the bow weight?
Send it back. I am not an expert BUT.... I called tech support a year ago and got the information that you need/are asking about. The rating they give is indeed based on the spine of the arrow. They use that spine rating to match up against a weight range that the spine will tolerate. You got a light arrow for your bow.
 
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Ordered some new bolts and they arrived today. Bought GT Swift. Upon reading the box, it says these are for bows in the 100-150# range. My bow is 180#. There wasn’t any of this information on the site I bought them from. Good to use or should I find some rated for the bow weight?
Are not the bolts rated 396 gr with a 100 gr head? I have a TP carbon Nitro RDX with a 165 lb draw weight. I use them with no issues. I had a Horton Storm with the same draw weight that came with 370 gr arrows. You have 180 lb draw so it may be pushing the outer limits. The "Swift" is the lightest arrow GT makes. I would call GT and ask their Customer Service.
 

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So, to go by their recommendations, I would have to shoot their 500 grain bolt. No other bolt manufacturer recommends likewise. I get that the Swifts spec at only .019 thick of a sidewall, where others are .021 or better. And they're using a heavy 110 grain brass insert which weakens the spine more.

I'm shooting a 185lb and a 200lb bow. I don't want these things to blow up once I pull the trigger so I'll be taking mine back. They do fall within the weight requirements of my bows. It's kind of silly how there's so much info in charts on arrows for vertical bows and hardly anything on arrows for horizontal. Even so, different manufacturers won't agree on spine and weight ratings. PITA

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I'd get a refund and look elsewhere myself.
 

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The force of the bow string at the nock is transmitted through the shaft to overcome the inertia of the front end (insert and BH) and accelerate it to launch velocity. The shaft must be sufficiently stiff (resistant to lateral deformation) to prevent buckling under this axial load. Stiffness correlates well with mass (grains/inch) of the shaft material. Liability from damage and injury caused by an arrow collapse must be weighed against speed, arrow length, arrow weight, bow draw weight, and mass of the front end.
 

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The bolts that came with it had half moon. The Swift bolts came with both. The Nitros only came with flat.
Flat nocks are not meant to shot in most bows that shoot moon nocks. The string can easily jump the nock causing a partial dry fire and that will void the warranty.
You might be able to remove the moon nocks from the other arrows and change them out.
 
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