Brownells - Mounting a Scope on a Rifle

Published on August 20, 2012
Duration: 7:46

This guide details the process of mounting a rifle scope, emphasizing preparation and proper technique. Key steps include ensuring the firearm is unloaded, securing the rifle, degreasing all mating surfaces for optimal torque, and applying threadlocker if desired. It also covers checking bolt travel, sequential tightening of base screws, and careful installation of rings without damaging the scope tube.

Quick Summary

To properly mount a rifle scope, first ensure the firearm is unloaded and secured. Degrease all mating surfaces for optimal torque. Check bolt travel clearance before sequentially tightening base screws (middle, rear, front). Install rings carefully, avoiding damage to scope bells or using the scope tube for leverage.

Chapters

  1. 00:00Preparation & Safety
  2. 00:31Degreasing Surfaces
  3. 01:14Mount Installation
  4. 02:31Bolt Travel Check & Tightening
  5. 03:14Ring Installation
  6. 05:01Scope Placement
  7. 06:13Eye Relief & Alignment
  8. 06:45Final Tightening & Corrosion Prevention

Frequently Asked Questions

What is the first step before mounting a scope on a rifle?

The absolute first step is to ensure the firearm is completely unloaded. Then, secure the rifle firmly in a gun vice for stability during the mounting process.

Why is degreasing important when mounting a scope?

Degreasing the receiver, screw holes, and the bottom of the scope mount ensures a clean surface for optimal contact. This allows for proper torque application, preventing slippage and ensuring a secure, reliable scope mount.

How should scope mount base screws be tightened?

After checking for bolt travel clearance, tighten the base screws sequentially. Start with the middle screw, then the rear screw, and finally the front screw to ensure even pressure distribution.

What precautions should be taken when installing scope rings?

For dovetail rings, lubricate the dovetail. Use a padded wrench or alignment rod to turn the ring into the base. Crucially, never use the scope tube itself for leverage, as this can damage the scope.

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