Peak Bow Weight: Draw Force & Selection Guide

Peak bow weight is the maximum force, measured in pounds, required to pull a bowstring to its full draw length. It determines how much energy is stored in the bow and directly influences arrow velocity at the shot.

Factors That Affect Peak Bow Weight

Three main variables shape a bow's peak draw weight:

• Limb stiffness: The primary driver. Stiffer limbs — whether wood, fiberglass, or carbon fiber — demand more force to reach full draw, producing higher bow weight in pounds.
• Bow length: At the same draw length, a longer bow bends its limbs through a gentler arc and usually feels smoother, while a shorter bow reaches its peak weight more abruptly.
• Riser design: A heavier riser increases overall bow weight and can affect how smoothly the archer draws. Grip shape also influences control during the draw stroke.

How Peak Bow Weight Is Measured

Draw weight is measured in pounds and often abbreviated with the # symbol in equipment specs. A bow scale is the standard tool for this measurement. Most bows offer a range of settings — commonly in 5 lb increments, such as a 40–60 lb range — allowing archers to fine-tune their setup.

For compound bows, peak weight occurs roughly halfway through the draw cycle, not at full draw. At full draw, let-off reduces the load held by the archer to a fraction of the peak figure. For recurve bows, draw weight is traditionally stated at 28 inches of draw, and continues to increase beyond that point.

Choosing the Right Peak Bow Weight

Selecting an appropriate bow draw weight matters for both performance and safety. A bow set too heavy makes it difficult to achieve a consistent draw, hurting accuracy. One set too light may not transfer enough energy to propel the arrow effectively at longer distances.

Arrow selection is also tied to peak weight — spine charts from arrow manufacturers use peak bow weight, not holding weight, as the reference value. Arrows that are too light for the bow's output can cause vibrations that stress equipment over time. See the guide on bow draw weight fundamentals for a deeper look at matching force to your build, and the effects of an overly stiff arrow spine to understand how weight interacts with shaft selection.

For archers curious about how stored energy translates into arrow behavior at the shot, the concept of how an arrow bends around the riser connects directly to both draw weight and spine choice.