How To Adjust The Scope When Shooting A Rifle Upside Down

Published on June 9, 2023
Duration: 7:52

This video demonstrates how to adjust a rifle scope when shooting in an inverted position. The presenter explains that gravity and the scope's over-bore offset cause a shift in the point of impact. Crucially, the scope adjustments are counter-intuitive: to move the bullet impact down, you must turn the turret in the direction that would normally move the impact up. The experiment showed a need to adjust down by two inches when shooting upside down.

Quick Summary

When shooting a rifle upside down, you must adjust your scope turrets counter-intuitively. To move the bullet's impact down on the target, turn the turret in the direction that would normally move the impact up. This compensates for gravity and the scope's over-bore offset, which causes impacts to be higher when inverted.

Chapters

  1. 00:00Introduction: The Upside Down Scope Question
  2. 00:41Setting Up the Shooting Range
  3. 01:05Rifle and Ammunition Selection
  4. 01:43First Shots: Upright Grouping
  5. 02:31Attempting to Shoot Upside Down
  6. 03:07Difficulty of Inverted Shooting
  7. 03:17Analysis of Upright vs. Upside Down Groups
  8. 03:29The Question: Dial Up or Down?
  9. 03:41Making the Scope Adjustment
  10. 04:01Testing the Upside Down Adjustment
  11. 04:22Testing on a Second Target
  12. 04:36Surprising Results: Adjustment Was Wrong
  13. 04:50Detailed Explanation of Scope Adjustment Logic
  14. 05:05Editing Bay Clarification: Scope Turret Mechanics
  15. 05:34How Scope Turrets Work (Up vs. Down Impact)
  16. 06:10The Counter-Intuitive Adjustment for Upside Down Shooting
  17. 06:49Proof: Re-testing the Adjustment
  18. 07:05Limitations and Future Considerations
  19. 07:37Conclusion and Call to Action

Frequently Asked Questions

Do you need to adjust your rifle scope if you're shooting upside down?

Yes, you absolutely need to adjust your rifle scope when shooting upside down. Gravity and the scope's over-bore offset cause a significant shift in the point of impact. The adjustment is counter-intuitive: to move the impact down, you turn the turret in the direction that normally moves the impact up.

How do scope turrets work when shooting upside down?

When shooting upside down, the logic for scope turrets reverses. If your bullet impact is too low, you need to adjust the turret in the direction that would normally move the impact UP on the target. Conversely, if the impact is too high, you adjust the turret in the direction that would normally move the impact DOWN.

What is the scope over bore offset and how does it affect shooting upside down?

The scope over bore offset is the vertical distance between the rifle's bore and the scope's optical axis. When shooting upside down, this offset, combined with gravity, causes the bullet to strike higher than intended relative to the scope's aiming point, necessitating a downward adjustment of the impact point.

What adjustments were made to the scope for upside-down shooting in the video?

In the video, after observing that shooting upside down caused the point of impact to be too high, the presenter had to adjust the scope down by approximately two inches. This was achieved by turning the turret in the direction that would normally move the impact up.

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