Throwback Thursday: A .22 Rifle for John Wayne

Published on November 18, 2021
Duration: 8:24

This guide details the disassembly and quick-detach barrel system of the Sullivan .22 Prototype Rifle, as demonstrated by engineer Jim Sullivan. The process involves using a penny for specific bolts and highlights the rifle's robust design, including military-style sights and a unique safety feature. The information is presented with expert authority, drawing from the designer's direct involvement.

Quick Summary

The Sullivan .22 Prototype Rifle, designed by engineer Jim Sullivan (known for AR-15/AR-10 work), features a robust blowback action and a unique quick-detach barrel system operable with a penny. It was nearly funded by John Wayne but an M10 accident deterred investment.

Chapters

  1. 00:00Introduction to Jim Sullivan
  2. 01:08The John Wayne Investment Story
  3. 02:48Prototype Overview
  4. 03:42Disassembly and Internal Design
  5. 05:09Quick-Detach Barrel System
  6. 06:39Magazines and Sights

Frequently Asked Questions

What is the operating mechanism of the Sullivan .22 Prototype Rifle?

The Sullivan .22 Prototype Rifle operates using a simple blowback mechanism. This system utilizes the expanding gases from a fired cartridge to cycle the bolt, eject the spent casing, and chamber a new round, making it a straightforward and reliable design for .22 caliber firearms.

How does the Sullivan .22 Prototype Rifle's barrel detach?

The Sullivan .22 Prototype Rifle features a quick-detach barrel system. A specific bolt, designed to be unscrewed with a penny, releases the barrel, allowing for rapid removal and reinstallation without specialized tools, ensuring consistent accuracy.

Who was Jim Sullivan and what is his significance in firearms design?

Jim Sullivan is a legendary firearms engineer known for his work on iconic platforms like the AR-15, AR-10, and the Ultimax. He also designed the Sullivan .22 Prototype Rifle, aiming to create a more robust plinking rifle.

What historical event influenced the funding of the Sullivan .22 Prototype Rifle?

The Sullivan .22 Prototype Rifle was nearly funded by actor John Wayne. However, an accidental discharge of a MAC M10 during a demonstration reportedly soured Wayne's interest in firearms investment, leaving the .22 rifle as a prototype.

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