How to Polish the Barrels on a Side-by-Side Shotgun | MidwayUSA Gunsmithing

Published on July 19, 2011
Duration: 1:33

This guide details a methodical process for polishing rusty and pitted barrels on a side-by-side shotgun, as demonstrated by Larry Potterfield, Founder and President of MidwayUSA. It emphasizes using specific grit sandpaper and specialized rubber sanding blocks to achieve a smooth, polished finish, progressing through multiple stages of abrasive paper and employing cutting oil for lubrication.

Quick Summary

Learn to polish rusty and pitted shotgun barrels using a methodical approach. Start with 100-grit aluminum oxide sandpaper and specialized rubber sanding blocks, progressing to 320-grit silicon carbide with cutting oil for the final finish. This technique ensures even coverage, even around the rib.

Chapters

  1. 00:08Introduction and Challenge
  2. 00:19Barrel Segmentation and Initial Tools
  3. 00:29Initial Polishing with 100-Grit
  4. 00:36Polishing Near the Rib
  5. 00:45Polishing Curved Rib Surfaces
  6. 00:55Final Polishing and Lubrication
  7. 01:10Conclusion and Recommendation

Frequently Asked Questions

What grit sandpaper should I use to polish shotgun barrels?

Start with a coarser grit like 100-grit aluminum oxide for initial rust and pit removal. Progress to finer grits, such as 280-grit and finally 320-grit silicon carbide, for the final polishing stages to achieve a smooth finish.

What tools are needed for polishing shotgun barrels?

Essential tools include various grits of sandpaper (e.g., 100, 280, 320), specialized rubber sanding blocks (concave, angled, rounded) to conform to barrel shapes, and cutting oil for lubrication during the final polishing steps.

How do I polish the area of the barrel near the rib?

Use angled rubber sanding blocks to effectively polish the barrel right up to the rib. This ensures consistent contact and allows for thorough coverage in these often-difficult-to-reach areas.

Can I polish any type of shotgun barrel?

This technique is particularly effective for addressing rust and pitting on traditional blued or unfinished shotgun barrels. Always consult specific firearm manufacturer recommendations before undertaking significant cosmetic or metal finishing work.

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