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Field Points vs. Broadheads

Lesson 18 of 33 · Module 5, lesson 3

Assumes the Hunting Primer. New here? Start there first.

Your objective

By the end, you'll be able to describe why field-point and broadhead impact points differ and perform the steps to confirm broadhead accuracy before hunting season.

Procedure ~7 min

You’ve been shooting tight groups all summer — every field point punching the same hole at 30 yards. The season opens. You swap in broadheads, head out for a final check, and the arrows land three inches left of where you’ve been aiming for months. This is one of the most common reasons bowhunters open season unprepared. Here’s what causes it and how to fix it before you ever climb a stand.

Quick recall

Quick recall from Arrow Spine & Length — when groups are consistently flying left for a right-handed shooter, what is the most likely cause?

Quick recall from Arrow Spine & Length — when groups are consistently flying left for a right-handed shooter, what is the most likely cause?

Why field points and broadheads don’t always agree

A field point (also called a target point) is a smooth, aerodynamic cone. It creates minimal drag and lets the arrow fly where the bow launches it.

A broadhead — especially a fixed-blade head — has exposed blades sticking out along its body. Those blades act like rudder surfaces. If the arrow leaves the bow with even slight tail-high, tail-left, or tail-right flight, a broadhead amplifies that imperfection. The blades catch air and steer the arrow away from a field-point group.

The result: the same bow, the same archer, the same distance, but different impact points.

The two-group rule

Here’s the test every bowhunter should pass before opening day:

  1. Shoot a 3-arrow group with field points at 20 yards. Mark it.
  2. Shoot a 3-arrow group with your hunting broadheads (same total weight, same arrow) at 20 yards. Mark it.
  3. If the groups overlap or are within 2 inches, you’re ready. If they’re more than 2 inches apart, something needs to adjust.

At 20 yards the groups should be very close. If they’re not, the cause is almost always arrow flight (tuning), not your sight. Fix the flight, not the pins.

Why the fix is usually rest movement, not sight adjustment

When broadheads land away from field points, the instinct is to turn the sight pin to compensate. Don’t. Moving the sight just hides the problem at one distance — at every other distance the gap will be different.

The correct fix is to move the arrow rest in the direction the broadheads are hitting:

  • Broadheads hitting LEFT? Move the rest LEFT.
  • Broadheads hitting HIGH? Move the rest UP.

This corrects the arrow’s flight path out of the bow, so the correction holds at all distances. If rest movement alone doesn’t solve it, you need to re-tune (paper tune → bare-shaft tune) before broadhead tuning.

Deep dive The full broadhead tuning sequence
  1. Paper tune first. Shoot through paper at 6–8 feet. A perfect bullet-hole tear means the arrow leaves the bow flying straight. Any other tear (nock-high, nock-left, etc.) needs to be corrected at the rest, nock point, or cam timing before you ever shoot a broadhead.
  2. Walk-back tune (optional but valuable). Set your 20-yard pin, then step back to 40 and 50 yards. If arrows drift laterally at distance, the arrow isn’t flying straight even though paper looked clean. Adjust rest left/right until they track straight back.
  3. Broadhead confirmation. Once paper tuning is clean, shoot the two-group test at 20 yards. Then confirm at 30 and 40 yards. If groups agree, you’re ready to hunt.

Mechanicals vs. fixed blades on this problem

Mechanical (expandable) broadheads have blades that fold in during flight, mimicking the profile of a field point. Because the blades aren’t exposed until impact, they create far less aerodynamic drag in flight. Most well-tuned bows shoot mechanicals very close to field-point impact.

Fixed-blade heads present exposed blades from launch. They are more sensitive to imperfect arrow flight — which is exactly why they are excellent tuning indicators. If your fixed blades land close to field points, your tune is genuinely good.

The lesson for beginners: whether you shoot fixed or mechanical, confirm impact before the season. Mechanicals give you less margin for error to find, but they can still fail to open, so confirming they hit where you aim matters regardless.

A side-by-side look at impact

Schematic showing two arrow impact groups at 20 yards. A tight field-point group is centered on the aiming point. A second broadhead group sits 3 inches to the left, illustrating how exposed broadhead blades can steer arrows away from field-point impact when arrow flight is imperfect.
Field-point group (centered on aim point) Broadhead group (drifted left — blades catching air from poor tune) Fix: move rest in the direction broadheads hit, then re-confirm
Diagram (not a photo). Left group = field points. Right cluster = misaligned broadheads on an imperfectly tuned bow. The fix is correcting arrow flight, not moving the sight pins.

Walk through the check — step by step

Decision

Opening week is two weeks away. You've been shooting field points all summer and grouping well. What's your next step for hunting prep?

Make the call

Knowledge check

You test your fixed-blade broadheads and they're landing 3 inches left of your field-point group at 20 yards. What's the correct first fix?

You test your fixed-blade broadheads and they're landing 3 inches left of your field-point group at 20 yards. What's the correct first fix?

Knowledge check

A bowhunter finds that their mechanical (expandable) broadheads land within 1 inch of their field-point group at 20 yards. Do they still need to verify at longer distances?

A bowhunter finds that their mechanical (expandable) broadheads land within 1 inch of their field-point group at 20 yards. Do they still need to verify at longer distances?

Take it to the woods

Pre-season broadhead confirmation

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Sources

If you remember nothing else

  • Field points and broadheads have different aerodynamics — fixed blades catch air and can steer the arrow away from where field points land.
  • Never assume your broadheads hit the same spot as your field points — confirm it at distance before hunting season.
  • Paper-tune first, then walk back to 20 yards and shoot a broadhead group next to a field-point group.
  • If the groups are more than 2 inches apart, adjust your rest (not your sight) to bring them together — or re-tune your bow.
  • Mechanicals often fly closer to field-point impact than fixed blades, but still need confirmation.

How ready do you feel?

How ready are you to confirm that your broadheads hit the same place as your field points before the opener?

Before you go — a quick look back

Distributed practice: one fast recall from an earlier lesson keeps it from fading.

Quick recall

From Arrow Weight & FOC — what is the minimum grains-per-pound rule for hunting arrow weight, and why does under-weighting matter?

From Arrow Weight & FOC — what is the minimum grains-per-pound rule for hunting arrow weight, and why does under-weighting matter?

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