AMT Automag IV - A Browning in .45 Winchester Magnum

Published on June 3, 2018
Duration: 11:50

This guide details the field stripping process for the AMT Automag IV, highlighting its Browning-style short recoil action with a tilting barrel. It emphasizes the unique design considerations for its magnum caliber, including an extended chamber. The information is presented with the authority of Ian McCollum from Forgotten Weapons, known for his deep dives into firearm history and mechanics.

Quick Summary

The AMT Automag IV is a .45 Winchester Magnum pistol featuring a Browning-style short recoil, tilting barrel action, distinct from the original Auto Mag's rotating bolt. Constructed from durable 17-4 Stainless Steel, its design accommodates the magnum cartridge's length, with production history involving AMT and later Galena Industries.

Chapters

  1. 00:00Introduction: AMT Automag IV & Auto Mag Distinction
  2. 00:51History: Harry Sanford & Arcadia Machine & Tool (AMT)
  3. 02:33Automag Model Lineup Overview
  4. 03:23Size and Ergonomics Comparison
  5. 04:03Mechanical Design: Browning Action Explained
  6. 04:44Controls and Features
  7. 05:26Manufacturing History & Bankruptcy
  8. 06:48Disassembly and Internals Walkthrough
  9. 08:53Market Context and Reliability Discussion

Frequently Asked Questions

What caliber is the AMT Automag IV chambered in?

The AMT Automag IV is primarily chambered in .45 Winchester Magnum, though it was also designed to potentially handle the 10mm Winchester Magnum cartridge. This powerful magnum caliber contributes to its substantial size and recoil.

What type of action does the AMT Automag IV use?

The AMT Automag IV employs a Browning-style short recoil operation with a tilting barrel. This mechanism is similar to that found in the M1911 pistol but adapted for the larger magnum cartridge and different locking surfaces.

Who originally designed the Auto Mag pistol series?

The original Auto Mag pistol, chambered in calibers like the .44 AMP, was the brainchild of Harry Sanford. He later founded Arcadia Machine & Tool (AMT) to produce a new generation of magnum pistols, including the Automag IV.

What materials is the AMT Automag IV constructed from?

The AMT Automag IV is predominantly constructed from 17-4 Stainless Steel. This material is chosen for its high strength, hardness, and excellent corrosion resistance, making it suitable for a robust magnum handgun.

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