PATREON SHORTS | Height Over Bore

Published on March 12, 2025
Duration: 3:48

This expert-level guide from GBRS Group, featuring instructor Jared Tapper, details the critical concept of Height Over Bore (HOB) in tactical shooting, particularly during vehicle engagements. It explains how the distance between the optic's sight line and the firearm's bore line creates an offset that can lead to rounds impacting vehicles instead of targets. The guide provides practical techniques for visualizing and compensating for this offset, emphasizing the importance of proper positioning, standoff distance, and dynamic movement to ensure accurate fire and avoid dangerous consequences.

Quick Summary

Height Over Bore (HOB) is the vertical distance between a firearm's bore and its optic's sight line. This difference creates an offset crucial for accurate shooting, especially when engaging targets from vehicles. Failing to compensate for HOB can cause rounds to strike vehicle surfaces, leading to dangerous misses and ricochets.

Chapters

  1. 00:06Introduction to Height Over Bore
  2. 00:22Problems with Vehicle Engagement
  3. 00:40Standoff and Cover Techniques
  4. 01:07Visualizing Bore Line vs. Sight Line
  5. 01:33Examples of Missed Shots
  6. 01:50Consequences of Inaccurate Shooting
  7. 02:07Importance of Offset and Maneuverability
  8. 02:30Vehicle Standoff and Maneuverability
  9. 03:00Static Targets and Dynamic Movement
  10. 03:22Conclusion on Vehicle Engagement

Frequently Asked Questions

What is Height Over Bore (HOB) and why is it important in shooting?

Height Over Bore (HOB) is the vertical distance between your firearm's bore line and your optic's sight line. It's crucial because this difference creates an offset, meaning your point of aim isn't your point of impact, especially at close range or when shooting over obstructions like vehicle hoods.

How does Height Over Bore affect shooting from vehicles?

When shooting from a vehicle, HOB can cause your rounds to strike the vehicle's surfaces (hood, roof, doors) instead of the target. This occurs because the bore line must clear the obstruction, and if not compensated for, the bullet will hit the vehicle before reaching its intended path.

What are common mistakes related to Height Over Bore in tactical scenarios?

Common mistakes include failing to visualize the bore line's trajectory, shooting too close to a vehicle, and not adjusting shooting position to compensate for the offset. This leads to rounds impacting vehicles, potentially causing dangerous skips or ricochets.

How can shooters compensate for Height Over Bore when engaging targets near vehicles?

Compensation involves understanding the HOB offset and adjusting your shooting position. This might mean slightly elevating your firearm or altering your body stance to ensure the bore line clears obstructions like vehicle hoods. Practicing these adjustments is key.

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