Quick Answer: Arrow spine is the stiffness of your arrow shaft — how much it bends when force is applied. It matters because an arrow that flexes too much or too little on release won’t clear the bow cleanly, sending your groups left or right no matter how good your form is. Match spine to […]
Tag Archives: how to choose arrow spine
Quick Answer: Arrow spine is the stiffness of your arrow shaft, written as a number like 340 or 500 — the lower the number, the stiffer the arrow. To choose the right spine, match your bow’s actual draw weight and your arrow length (not draw length) against a manufacturer’s spine chart, then adjust for point […]


