How to Properly Mount a Scope Presented by Larry Potterfield | MidwayUSA Gunsmithing

Published on January 10, 2014
Duration: 5:46

This guide details the precise steps for mounting a rifle scope, emphasizing accuracy and longevity. Key steps include proper receiver preparation, using Loctite for base screws torqued to 30 inch-pounds, and ensuring ring alignment with lapping for 75% contact. The process concludes with leveling the reticle and torquing ring screws to 15 inch-pounds for secure, damage-free mounting.

Quick Summary

Proper rifle scope mounting involves preparing the receiver, using Loctite on base screws torqued to 30 inch-pounds, lapping rings for 75% contact, leveling the reticle, and finally torquing ring screws to 15 inch-pounds.

Chapters

  1. 00:00Introduction: Importance of Scope Mounting
  2. 00:23Selecting Your Scope and Hardware
  3. 00:55Preparing the Rifle Receiver
  4. 01:22Installing Scope Bases with Loctite
  5. 02:06Mounting Scope Rings
  6. 02:51Ensuring Ring Alignment and Lapping
  7. 04:12Leveling the Scope Reticle
  8. 04:47Final Scope Mounting and Torque

Frequently Asked Questions

What is the correct torque specification for mounting rifle scope bases?

When mounting rifle scope bases, it's recommended to use Loctite 242 and torque the base screws to 30 inch-pounds using a calibrated torque wrench like the Wheeler FAT Wrench.

Why is lapping scope rings important for rifle scope mounting?

Lapping scope rings ensures perfect alignment and creates at least 75% surface contact between the rings and the scope tube. This prevents stress points, potential damage to the scope, and ensures consistent accuracy.

How do you properly level a rifle scope's reticle?

Use a professional reticle leveling system, often involving a barrel clamp and reference levels. This ensures the scope's crosshairs are perfectly vertical and horizontal relative to the bore.

What is the final torque setting for scope ring screws?

After ensuring proper alignment and leveling, the final torque for the scope ring screws should be set to 15 inch-pounds. This secures the optic without causing damage to the scope tube.

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