Total arrow weight and FOC decide how deep an arrow drives and how forgiving it flies. Here’s how balance point works, how to calculate it, and how to tune it.
Tag Archives: arrow penetration
How much draw weight you really need for deer and elk — legal minimums, the kinetic energy that matters, and how to pick a poundage you can actually shoot.
Arrow FOC tuning explained in 7 steps: how to calculate front of center, weigh inserts, match spine, and build a hunting arrow that flies tight and penetrates deep.
Arrow weight and FOC shape everything from flight stability to penetration. Learn how to measure, calculate, and tune both for your bow and your goals.



