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

Published on January 18, 2025
Duration: 17:29

This review covers the PSA/H&R clone of the Colt Model 633 Department of Energy 9mm SMG. It highlights the retro aesthetics, historical accuracy, and unique features like modified Uzi magazines and a 7-inch barrel. While not a modern competition firearm, it offers a glimpse into specialized historical firearms with reliable performance for its intended purpose.

Quick Summary

The PSA/H&R clone replicates the Colt Model 633, a 9mm SMG designed for the Department of Energy. It features a 7-inch barrel, modified Uzi magazines, and retro aesthetics, offering reliable performance for historical enthusiasts.

Chapters

  1. 00:00Intro: PSA/H&R Retro DOE Colt 633 Clone
  2. 01:55History of the Colt 9mm SMG (Model 635/633)
  3. 04:46H&R Clone: Technical Features & Markings
  4. 08:32Front End, Barrel, and Muzzle Assembly
  5. 12:22Range Testing & Performance of the 9mm SMG Clone

Frequently Asked Questions

What is the PSA/H&R clone based on?

The PSA/H&R clone is based on the Colt Model 633, a specialized 9mm Submachine Gun (SMG) variant originally developed for the U.S. Department of Energy for security and weapons transport purposes.

What are the key technical features of the H&R Model 633 clone?

It features a 7-inch barrel, a shortened ejection port, a large gas deflector for its blowback system, an A1-style carry handle, and uses modified Uzi magazines. It also has a unique hand stop and a 5/8-24 threaded muzzle.

How does the PSA/H&R 9mm SMG clone perform during range testing?

The SBR-registered clone demonstrated flawless reliability with 124gr 9mm ammunition. The simple blowback action results in noticeable recoil and a characteristic sound from the buffer spring.

What is the historical significance of the Colt Model 633?

The Colt Model 633 was a compact 9mm SMG variant, often called a 'briefcase gun,' primarily purchased by the Department of Energy for specialized security roles at nuclear sites and for transporting sensitive materials.

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