Height Over Bore Training Tip

Published on May 30, 2018
Duration: 5:32

This training tip from Lucas Botkin of T.REX ARMS focuses on understanding and compensating for mechanical offset (height over bore) at close ranges (2-15 yards). The drill emphasizes adjusting point of aim higher than point of impact due to the optic's distance from the barrel, with the offset decreasing as range increases. Practicing at varied distances is crucial for developing instinctive hold-over adjustments during dynamic shooting.

Quick Summary

Height over bore (mechanical offset) is the distance between your optic and the barrel. At close ranges (2-15 yards), you must aim higher than the impact point. Practice drills at varied distances to develop instinctive hold-over compensation, as the offset decreases with range.

Chapters

  1. 00:00Intro to Height Over Bore & Mechanical Offset
  2. 00:48Executing the Mechanical Offset Drill
  3. 03:47Importance of Varied Distance Training
  4. 04:43Rapid Fire & Transitions with Offset

Frequently Asked Questions

What is height over bore and why is it important?

Height over bore, or mechanical offset, is the distance between your optic's sight line and the firearm's bore. It's crucial at close ranges (under 15 yards) because you must aim higher than your target's impact point to compensate for this offset, ensuring accuracy.

How can I train to account for mechanical offset?

Practice a drill where you shoot single rounds from varying distances (e.g., 2, 5, 10, 15 yards). Focus on adjusting your aim point higher than the desired impact. This builds muscle memory for the necessary hold-over at different ranges.

Does mechanical offset change with distance?

Yes, the required compensation for mechanical offset decreases as the distance to the target increases. At very close ranges like 2 yards, the offset can be significant (around 3 inches), while at longer distances, its effect becomes negligible.

Why is practicing at varied distances important for height over bore?

Real-world shooting scenarios rarely involve a single, fixed distance. Practicing at varied ranges forces your brain to instinctively calculate and apply the correct hold-over for mechanical offset, improving adaptability and accuracy under pressure.

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