NEVER clean the BARREL of a precision rifle!

Published on February 6, 2022
Duration: 11:21

This guide details a precision rifle barrel cleaning experiment inspired by competitive shooting techniques. It demonstrates how to test the impact of different cleaning levels (mild vs. deep) on accuracy using a Savage 10 Tactical in .308 Win. The findings suggest that for certain precision shooting applications, a completely clean barrel might not be optimal without a subsequent fouling shot, a concept explored by expert Erik Cortina.

Quick Summary

Precision rifle barrel cleaning doesn't always improve accuracy. An experiment on a Savage 10 Tactical .308 Win showed that deep cleaning could widen shot groups, suggesting that for certain applications, a mildly fouled barrel or one requiring a fouling shot after deep cleaning might be optimal for consistency.

Chapters

  1. 00:00Introduction: Cleaning Debate
  2. 00:21Inspiration & Perspectives
  3. 02:34Bore Scope Inspection
  4. 03:29Dirty Barrel Baseline Test
  5. 04:43Mild Cleaning Test
  6. 06:42Deep Cleaning Procedure
  7. 08:38Super Clean Barrel Results
  8. 09:36Conclusion: Fouling's Role

Frequently Asked Questions

Does cleaning a precision rifle barrel always improve accuracy?

Not necessarily. This experiment on a Savage 10 Tactical .308 Win suggests that deep cleaning can sometimes widen groups. For disciplines requiring a consistent cold bore shot, a mildly fouled barrel might perform better than a completely stripped barrel without a fouling shot.

What is the difference between F-Class/Benchrest and Tactical/PRS cleaning methods?

F-Class/Benchrest typically involves deep cleaning to ensure maximum accuracy potential. Tactical/PRS often favors mild cleaning to maintain a consistent cold bore shot, as fouling can stabilize barrel harmonics and point of impact.

What products were used for deep cleaning the precision rifle barrel?

The video showcased products from Brownells Germany, specifically Super Nano Detergent and JB Bore Bright abrasive paste, used to remove copper and carbon fouling down to the bare metal.

How does a clean barrel affect a precision rifle's performance?

A completely clean barrel might require a fouling shot to re-establish consistent performance. The experiment indicated that a slightly fouled barrel on the tested Savage 10 Tactical maintained accuracy better than a bare-metal barrel without this fouling shot.

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