Firearm Maintenance: Winchester Model 70 Cleaning — Part 2/4

Published on May 31, 2013
Duration: 2:32

This expert guide from Brownells details the proper cleaning procedure for a Winchester Model 70 rifle, emphasizing the importance of cleaning from the breech using a bore guide to protect the firearm's integrity. It covers selecting appropriate solvents for different types of fouling and provides specific instructions for cleaning both the barrel and the bolt assembly. The instruction highlights best practices to maintain accuracy and prevent potential damage during routine maintenance.

Quick Summary

Expert cleaning of a Winchester Model 70 involves using a bore guide to protect the receiver and chamber, and cleaning from the breech. Hoppe's No. 9 is suitable for general fouling, while Sweet's 7.62 is recommended for heavy copper buildup. The bolt should be cleaned with an aerosol cleaner and brush to ensure reliable function.

Chapters

  1. 00:00Introduction to Barrel Cleaning
  2. 00:06Importance of Barrel Cleaning
  3. 00:14Cleaning Best Practices
  4. 00:28Following Manufacturer Instructions
  5. 00:38Using a Bore Guide
  6. 00:52Applying Initial Solvent
  7. 00:59Aggressive Copper Solvent
  8. 01:11Solvent Dwell Time Warning
  9. 01:16Brushing and Patching Barrel
  10. 01:31Cleaning the Bolt
  11. 01:48Routine vs. Detailed Cleaning
  12. 01:56Next Video: Lubrication

Frequently Asked Questions

What is the best way to clean a Winchester Model 70 rifle barrel?

The expert recommends cleaning the Winchester Model 70 barrel from the breech using a bore guide to prevent damage. Start by applying a solvent-soaked patch, let it dwell, then use a bore brush and dry patches until clean. Repeat if necessary for heavy fouling.

Which solvents are recommended for cleaning a Winchester Model 70?

For general fouling on a Winchester Model 70, Hoppe's No. 9 is recommended. For significant copper fouling, Sweet's 7.62 Solvent is suggested due to its effectiveness in dissolving copper deposits. Always follow manufacturer dwell time recommendations.

Why is using a bore guide important when cleaning a rifle?

A bore guide is essential for cleaning rifles like the Winchester Model 70 because it keeps the cleaning rod centered in the bore. This prevents the rod from contacting and damaging the receiver and chamber, and also helps keep abrasive grit and cleaning solvents out of the firearm's action.

How should the bolt of a Winchester Model 70 be cleaned?

The bolt of a Winchester Model 70 can be effectively cleaned using a brush and an aerosol cleaner like Birchwood Casey Gun Scrubber. This process helps flush out dirt and debris from the firing pin assembly, which is crucial for preventing potential misfires.

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