When shopping around for a compound bow, it’s important to understand the specs and features associated with each bow. There are many different types of specs and features that will affect the performance of your bow. To help you make the best purchase decision, here is a comprehensive hunting bow buyer’s guide to understanding compound bow specs.
Table of Contents
Compound Bow Specs
Draw Weight
The most important thing to consider when selecting a compound bow is the draw weight. Draw weight is the amount of force required to draw the string back on the bow. Most compound bows are available in draw weights from 25 to 70 or more pounds. As a general rule, lighter draw weights are better for beginners and hunters who are just getting started. On the other hand, heavy draw weights are better for experienced shooters and competitive archers.
Axle to Axle Length
The axle to axle length is another important factor when selecting a compound bow. The axle to axle length is the measurement from one cam to the other. Longer axle to axle bows are more stable and will generally produce higher arrow speeds. They are also better for shooting longer distances as they are more forgiving with windage and elevation adjustments. On the other hand, shorter bows are much easier to maneuver through tight spaces.
Let-Off
Let-off is the amount of pressure released when you draw the string back. The higher the let-off, the less force required to hold the string back. Let-off is typically between 50% and 90%, so make sure to double check the let-off before purchasing a compound bow.
Brace Height
The brace height is the distance from the center of the grip to thestring when the bow is at full draw. A longer brace height generally reflects a smoother draw, but may sacrifice some speed. A shorter brace height usually results in higher arrow speed, but with a harsher draw.
Speed Rating
The speed rating is the speed of the arrow that is produced by the bow. Generally speaking, more speed is better, as it results in flatter trajectory and less drop when shooting at longer range. However, it’s important to remember that bows with higher speed ratings may require more draw weight to achieve the rating.
Cam System
The cam system is the type of cams used on the bow. Most cam systems are either single cam or dual cam. Single cam bows are generally smoother and quieter, but may produce slower arrow speeds. Dual cam bows allow for tuning and tweaking of the bow for higher performance, but may require maintenance to stay in tune.
Extras and Accessories
When shopping for a compound bow, it’s important to consider what extras and accessories are included. Some bows come with a sight, quiver, arrow rest, or release aid. These extras can add to the performance of the bow and should be taken into consideration when making your purchase decision.
Compound bow specs can be complicated, but understanding them is the key to making the best purchase decision. By understanding the draw weight, axle to axle length, let-off, brace height, speed rating, cam system, and included extras and accessories, you can get the best bow for your needs. Having the right equipment that fits your shooting style and preferences will help you become a better archer and hunter.
Understanding Compound Bow Specs – Hunting Bow Buyer's Guide
Learn what fps, ATA, IBO, brace height, axle to axle, draw weight and draw length mean.
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Last update 2021-01-05. Price and product availability may change.