Valkyrie Arms Semiauto M3A1 Grease Gun

Published on December 3, 2019
Duration: 10:39

This guide details the field stripping process for the Valkyrie Arms M3A1 Semiauto, a reproduction of the M3 Grease Gun. It highlights the disassembly into upper and lower receivers, identification of the AR-15 fire control group, and examination of the bolt and recoil assembly. The process is presented with a focus on understanding the internal mechanics and modifications made for semi-automatic civilian compliance.

Quick Summary

The Valkyrie Arms M3A1 Semiauto is a .45 ACP reproduction of the M3 Grease Gun, featuring a 16-inch barrel and closed-bolt operation for legal compliance. It integrates an AR-15 fire control group for an improved trigger and uses some original surplus parts like the magazine release and stock.

Chapters

  1. 00:00Introduction to Valkyrie Arms M3A1
  2. 01:34Legal and Design Constraints
  3. 02:52Original Parts and Markings
  4. 03:50Closed-Bolt Conversion
  5. 05:02Internal Mechanics (AR-15 FCG)
  6. 05:55Disassembly and Field Strip
  7. 08:47Bolt and Recoil Assembly

Frequently Asked Questions

What is the Valkyrie Arms M3A1 Semiauto?

The Valkyrie Arms M3A1 Semiauto is a semi-automatic carbine reproduction of the US M3 Grease Gun, manufactured by Valkyrie Arms in Olympia, Washington. It was designed to comply with US firearm laws for civilian ownership.

How does the Valkyrie Arms M3A1 Semiauto differ from the original M3 Grease Gun?

Key differences include its closed-bolt operation (vs. open-bolt), the use of an AR-15 fire control group for a better trigger pull, and a milled aluminum lower receiver instead of stamped steel. It also features a 16-inch barrel for legal compliance.

What are the legal compliance features of the Valkyrie Arms M3A1 Semiauto?

To comply with US law, it has a 16-inch barrel to avoid SBR classification and is converted to closed-bolt operation. Valkyrie Arms was founded to create semi-auto replicas due to restrictions on full-auto ownership.

What original parts are used in the Valkyrie Arms M3A1 Semiauto?

The Valkyrie Arms M3A1 Semiauto incorporates three original surplus parts from the M3 Grease Gun: the magazine release button, the wire shoulder stock, and the ejection port cover.

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