John Martz Custom Luger Pistols - Babies, Carbines, and .45 ACP Conversions

Published on November 9, 2017
Duration: 8:24

This entry details the custom firearm modifications performed by renowned gunsmith John Martz, focusing on his unique approaches to Luger pistols. It covers his specialized .45 ACP conversions, compact 'Baby' Lugers, and Luger carbines, highlighting the intricate metalwork and engineering involved. The Martz Safety Toggle Release (MSTR) mechanism is also explained, showcasing Martz's innovative contributions to firearm design.

Quick Summary

John Martz was a renowned gunsmith specializing in custom Luger and P38 pistols. His notable modifications include .45 ACP conversions, achieved by extending frames, compact 'Baby' Lugers with shortened components, and Luger carbines with long barrels and stocks. He also developed the Martz Safety Toggle Release (MSTR) mechanism for enhanced safety and function.

Chapters

  1. 00:00Introduction to John Martz
  2. 01:00Martz Safety Toggle Release (MSTR)
  3. 02:02.45 ACP Luger Conversions
  4. 05:41Baby Luger Conversions
  5. 06:48Luger Carbines and Legacy

Frequently Asked Questions

Who was John Martz and what was his specialty in firearms?

John Martz was a WWII Navy veteran and self-taught gunsmith who specialized in highly customized Luger and P38 pistols starting in 1968. He was known for complex structural modifications, including .45 ACP conversions, 'Baby' Lugers, and carbines.

What is the Martz Safety Toggle Release (MSTR) mechanism?

The MSTR mechanism links the safety lever to the bolt hold-open. When the toggle is locked back, engaging the safety automatically drops the toggle, chambering a round or closing the action on an empty magazine, enhancing safety and function.

How did John Martz create .45 ACP Luger conversions?

Due to the extreme rarity of original .45 Lugers, Martz created custom versions by cutting donor Luger frames in half and welding in extensions to accommodate the wider and longer .45 ACP cartridge, demonstrating advanced gunsmithing skills.

What defines a 'Baby' Luger modified by John Martz?

A 'Baby' Luger, as modified by John Martz, features a shortened barrel, grip, and magazine. These were typically produced in 9mm Parabellum, 7.65mm Parabellum (.30 Luger), and occasionally .380 ACP, offering a more compact firearm.

More Gunsmithing & DIY Videos You Might Like

More from Forgotten Weapons

View all →