PSA/H&R Clones the Department of Energy Colt 9mm SMG

Published on January 18, 2025
Duration: 17:29

This video provides an in-depth look at the PSA/H&R clone of the Department of Energy's Colt 9mm SMG (Model 633). Expert Ian McCollum details the history, technical specifications, and performance of this retro firearm. The guide covers disassembly into major components, highlighting unique features like the modified Uzi magazines and folding front sight. It's presented as a historically accurate reproduction with modern manufacturing quality.

Quick Summary

The PSA/H&R Model 633 clone replicates the rare Colt 9mm SMG variant used by the Department of Energy. It features a 7-inch barrel, modified Uzi magazines, and historically accurate markings, offering a retro firearm experience with modern manufacturing quality.

Chapters

  1. 00:00Introduction to PSA/H&R Retro Line
  2. 01:55History of the Colt 9mm SMG
  3. 04:46Technical Features of the H&R Clone
  4. 08:32Front End and Barrel Assembly
  5. 12:22Range Testing and Performance

Frequently Asked Questions

What is the PSA/H&R Model 633 clone?

The PSA/H&R Model 633 clone is a reproduction of the specialized 9mm Submachine Gun variant of the Colt SMG, originally developed for the US Department of Energy. It features a 7-inch barrel and is built with historically accurate markings and features.

What are the key historical features of the Colt 633 SMG?

The Colt Model 633 was a compact 9mm SMG with a 7-inch barrel, primarily used by the US Department of Energy for security and transport. It was designed as a 'briefcase gun' variant of the Colt 635 model.

What modifications are present on the H&R Model 633 clone?

The H&R clone uses modified Uzi magazines with an added catch notch, features a shortened ejection port, a large gas deflector, and a unique folding front sight. The muzzle is threaded 5/8-24, unlike original models.

How does the H&R Model 633 clone perform during range testing?

The SBR-registered version of the H&R Model 633 clone demonstrated flawless reliability with 124gr 9mm ammunition. It exhibits a noticeable recoil impulse and characteristic blowback action sounds.

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