How to Determine the Proper Scope Ring Height | MidwayUSA Gunsmithing

Published on January 8, 2008
Duration: 1:39

This guide, presented by Larry Potterfield, founder of MidwayUSA, details how to select the correct scope ring height for optimal rifle scope performance. Proper height ensures adequate clearance between the scope's objective bell and the barrel, as well as the bolt handle and the ocular lens. Crucially, it also establishes a natural and comfortable cheek weld for accurate shooting. The principle is to use the lowest rings possible that meet these clearance and ergonomic requirements.

Quick Summary

The correct scope ring height ensures adequate clearance between the scope's objective bell and the rifle barrel, and that the bolt handle clears the ocular lens. It also establishes a natural cheek weld for proper eye alignment. Use the lowest rings possible that meet these criteria.

Chapters

  1. 00:00Introduction to Scope Ring Height
  2. 00:16Objective Diameters and Ring Height
  3. 00:29Ring Height Classifications
  4. 00:42Mechanical Clearance Requirements
  5. 01:00Ergonomics and Cheek Weld

Frequently Asked Questions

What are the key factors in determining the correct scope ring height?

The correct scope ring height is determined by ensuring adequate clearance between the scope's objective bell and the rifle barrel, sufficient space for the bolt handle to operate without hitting the ocular lens, and achieving a natural cheek weld for proper eye alignment with the scope.

Why is objective lens diameter important for scope ring height?

Larger objective lens diameters, such as 40mm or 50mm, require higher scope rings to prevent the objective bell from making contact with the rifle barrel. Smaller objectives may allow for lower rings.

How does cheek weld relate to scope ring height?

Proper scope ring height allows for a natural cheek weld, meaning your eye aligns easily with the scope's reticle when assuming a normal shooting position. If you have to excessively compress your cheek, the rings are likely too low.

What is the general rule for selecting scope ring height?

The general rule is to use the lowest possible scope rings that still provide adequate clearance for the objective bell and bolt handle, while also ensuring a comfortable and natural cheek weld for the shooter.

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