How to Jewel a Rifle Bolt Presented by Larry Potterfield | MidwayUSA Gunsmithing

Published on September 30, 2013
Duration: 2:48

This guide details the intricate process of jeweling a rifle bolt, a classic aesthetic enhancement. Larry Potterfield, founder of MidwayUSA, demonstrates how to prepare, polish, and meticulously apply a jeweled pattern using specialized tools and techniques. The process involves precise polishing, serial number marking, and systematic application of an abrasive rod under a drill press to create a unique, overlapping pattern of up to 576 jewels.

Quick Summary

Jeweling a rifle bolt involves polishing its surface and then applying a decorative pattern using an abrasive rod under a drill press. The process requires precise control over speed (350 RPM), overlap (50%), and rotation (20 degrees) to create up to 576 unique jewels, enhancing the rifle's aesthetics.

Chapters

  1. 00:00Introduction to Jeweling
  2. 00:10Preparation and Masking
  3. 00:34Polishing Process
  4. 00:50Identification Marking
  5. 01:04Tooling Setup
  6. 01:27Jeweling Technique
  7. 01:45Pattern Overlap and Rotation
  8. 02:32Final Comparison

Frequently Asked Questions

What is the purpose of jeweling a rifle bolt?

Jeweling a rifle bolt is a classic aesthetic treatment that creates a decorative, intricate pattern on the bolt's surface. It's purely cosmetic and doesn't affect the rifle's function, but it adds a unique, high-end look to the firearm.

What tools are essential for jeweling a rifle bolt?

Essential tools include a drill press set to around 350 RPM, a collet indexer, a cross-slide table, a 1/4-inch abrasive rod in a brass tube, various grits of abrasive cloth (320, 400, 600), masking tape, and a shop-made mandrel for securing the bolt.

How is the jeweling pattern created and maintained consistently?

The pattern is created by systematically applying an abrasive rod to the rotating bolt. Each application (jewel) overlaps the previous one by 50% (1/8 inch), and the bolt is rotated 20 degrees between rows to achieve a uniform, overlapping pattern.

Why is it important to mark the bolt with the rifle's serial number before jeweling?

Marking the bolt with the rifle's serial number ensures proper identification and traceability. This is critical in gunsmithing to guarantee the bolt remains paired with its original rifle, maintaining correct headspace and function.

Related News

All News →

More Gunsmithing & DIY Videos You Might Like

More from MidwayUSA

View all →