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

Published on May 31, 2013
Duration: 2:32

This guide details the proper cleaning of a Winchester Model 70 rifle's barrel and bolt, emphasizing techniques to preserve accuracy and prevent damage. It highlights the importance of cleaning from the breech, using a bore guide, and selecting appropriate solvents for different types of fouling. The process includes steps for applying solvent, brushing, patching, and cleaning the bolt assembly to ensure reliable function.

Quick Summary

The barrel is the most critical component for routine cleaning of a rifle, as copper and powder fouling directly impact accuracy. It's recommended to clean from the breech using a bore guide to protect the crown and chamber. Aggressive copper solvents should be used judiciously and according to manufacturer instructions to avoid barrel damage.

Chapters

  1. 00:00Introduction to Barrel Cleaning
  2. 00:06Importance of Barrel Cleaning
  3. 00:14Cleaning Best Practices (Breech First)
  4. 00:28Following Manufacturer Instructions
  5. 00:38Using a Bore Guide
  6. 00:52Applying Initial Solvent
  7. 00:59Aggressive Copper Solvent Use
  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 most important part of a rifle to clean regularly?

The barrel is the most critical component for routine cleaning. It's where copper and powder fouling accumulate, directly impacting accuracy. Regular cleaning with appropriate solvents is essential to maintain optimal performance.

Why is it important to clean a rifle barrel from the breech?

Cleaning from the breech is recommended to avoid damaging the barrel's crown. The crown is the precise end of the rifling that influences bullet trajectory. Cleaning from the muzzle can nick or deform it, negatively affecting accuracy.

What is the purpose of a bore guide in firearm cleaning?

A bore guide is inserted into the receiver to keep the cleaning rod perfectly centered as it passes through the barrel. This prevents the rod from scraping against the chamber walls or receiver, and also helps contain solvents and debris.

When should I use a more aggressive copper solvent for my rifle?

Aggressive copper solvents, like Sweet's 7.62, are best reserved for rifles with significant copper fouling, often seen in high-round count firearms. Always follow the manufacturer's recommended dwell time to prevent potential damage to the barrel.

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