100 vs 125 grain broadheads

The weight of the arrow grain is not almost an immediate concern, especially for beginners at using a bow and arrow. However as you progress up the hunting expertise ladder, you will start to notice every little details and that includes the weight of your arrow. Currently, many people use 100 grain broadheads as it is readily available. However, is that really the best option under all scenarios? When should you consider 125 grain?

100 vs 125 grain broadheads


Difference between 125 and 100 grain broadheads

First of all, let’s get the technical differences out of the way:

  • Speed: Due to the weight difference, a 100 grain broadhead travels faster
  • Thickness of blade: 125 has thicker blades
  • Ease of purchase: 100 are much easier to source and purchased. 125 will require you to find specialty stores either off or online.
  • Selection of models: 100 definitely has a wider range to choose from
  • FOC: Adding a heavier weight arrow tend to increase your FOC. Many forum posts I have read agrees with this statement. Usually, the added weight will increase your FOC by 2-3 percentage points which is nice.
  • Penetration: Due to a combination of heavier weight and larger blade, the arrow can sink deeper into your prey.
  • Sound: It seems that using 125 can make your shooting a bit quieter. The reason is because a heavier arrow head, with the right spine, can absorb more of the bow’s energy that will otherwise be converted to sound and vibration. This is why you get less noise when using the 125, relative to the 100.

Given the above, it seems using 125 can yield quite a number of benefits including better penetration, high FOC and quieter movements. The only drawback is the cumbersomeness of having to search and buy them.


Benefit of 125 grain broadhead

Ultimately, the use of 125 is to better help the user gain better control over the accuracy of the shot due to the added FOC. It also increases your ability to fine tune your flight path. However, that is provided you have the right spine set up. In the event that your arrows are stiff, your spine might be too weak to handle the extra weight.

Also, it is important to retune your bow for the 125 if you have been using 100 grain. If not. you will find your arrow flying slightly off course as the added weight will change the dynamic of your bow.


Type of animal you can hunt

If you are only into deer hunting, then using either 100 or 125 is fine. If you are hunting bears or elks, I would advice using 125 instead. The added weight, plus other tunes up in your bow, will result in a deeper penetration that is needed for larger animals beyond a deer.

If you are using 125 for smaller animals, and at a close distance, the blood trail will be much more obvious as the impact damage is stronger than 100. This will make your blood trail tracking much easier.


What distance will you notice the difference

When comparing the difference in using 100 vs 125, make sure you shot beyond the 20 yards range. Anything shorter and you will notice any significant experience.  In contrast, at the longer rang, you will feel differences in power, accuracy, point of impact very clearly. If you want to test, do it correctly with the right range.


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