How to Pillar Bed a Bolt Action Rifle Presented by Larry Potterfield of MidwayUSA

Published on March 20, 2009
Duration: 1:31

This guide details the process of pillar bedding a bolt-action rifle, a gunsmithing technique presented by Larry Potterfield of MidwayUSA to significantly enhance accuracy. It covers pillar preparation, stock machining, precise measurement using digital calipers, and the epoxy application process for a stable, consistent rifle foundation. The method ensures reliable torquing of trigger guard screws, leading to improved rifle performance.

Quick Summary

Pillar bedding is a gunsmithing technique that enhances bolt-action rifle accuracy by creating a stable foundation using pillars. This process involves machining the stock, precisely measuring and adjusting pillars to a 0.010-inch protrusion, and using epoxy for a secure fit, ensuring consistent screw torquing for improved performance.

Chapters

  1. 00:00Introduction to Pillar Bedding
  2. 00:15Pillar Design and Function
  3. 00:35Machining the Stock
  4. 00:52Preparation and Measurement
  5. 01:03Installation and Epoxy

Frequently Asked Questions

What is pillar bedding and why is it important for rifle accuracy?

Pillar bedding is a gunsmithing technique that installs pillars into a rifle stock to create a rigid, consistent bedding surface for the action. This method significantly improves rifle accuracy by providing a stable foundation and ensuring consistent torquing of action screws.

What tools are needed for pillar bedding a bolt action rifle?

Essential tools for pillar bedding include a drill press, flat end mill, vise, Tipton Best Gun Vise for holding the rifle, and precise measuring instruments like Mitutoyo digital calipers for pillar adjustment.

What is the correct protrusion for pillars in bedding?

The recommended protrusion for pillars during bedding is 0.010 inches. This precise measurement ensures proper contact and stability between the receiver, trigger guard, and stock.

How do you prevent epoxy from bonding to metal parts during bedding?

To prevent epoxy from bonding to metal components like the barreled action and screws, a release agent must be applied. This ensures that these parts can be easily separated after the epoxy cures.

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