How to Make a Cut-Away Rolling Block

Published on June 25, 2012
Duration: 1:38

This guide details the process of creating a cut-away firearm, specifically a Number 1 Remington Rolling Block, to visually demonstrate its internal mechanisms. The steps involve careful disassembly, cleaning, precise marking, and milling of the receiver and barrel. The instruction is provided by Larry Potterfield, Founder and CEO of MidwayUSA, showcasing his extensive gunsmithing expertise.

Quick Summary

Learn to create a cut-away firearm, like the Number 1 Remington Rolling Block, by following expert gunsmithing steps. This involves careful disassembly, cleaning with bead blasting, precise marking with Dykem fluid, and milling the receiver and barrel using a vertical mill and carbide end mill.

Chapters

  1. 00:00Introduction to Cut-Aways
  2. 00:25Disassembly and Preparation
  3. 00:48Fixturing and Milling
  4. 01:08Finishing and Reassembly

Frequently Asked Questions

What is a cut-away firearm?

A cut-away firearm is a demonstration piece where sections of the receiver, barrel, or other critical components are removed, typically through milling, to visually expose and explain the internal mechanisms and how they operate during firing.

What tools are needed to make a cut-away Remington Rolling Block?

Key tools include a milling machine with a 3/8-inch carbide end mill, a bead blaster for cleaning, Dykem layout fluid for marking, calipers for precision, and a custom fixture to securely hold the barreled action during milling.

Why is proper fixturing important when milling a firearm receiver?

Proper fixturing is crucial to prevent crushing the receiver, ensure accurate cuts, and maintain the structural integrity of the firearm. Spacers are often used with the fixture to provide necessary support.

What is the purpose of applying a contrasting finish to cut edges?

Applying a contrasting color, like red, to the milled edges of the cut-away firearm enhances visual clarity. This makes the exposed internal components and the lines of the cuts more apparent and easier to understand.

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