Lima Six Upper Fired By @SudoSolutions

Published on November 6, 2025
Duration: 0:36

This video demonstrates the functionality of the Lima Six belt-fed upper receiver, compatible with AR-15/M16 platforms, firing 5.56x45mm NATO or .223 Remington ammunition. Expert insights from Sudo Solutions showcase manual belt loading, sustained full-auto fire, controlled bursts, and the use of specialized gear like 3M Peltor headsets and Mechanix Wear gloves. The demonstration highlights the DIY firearm community's capabilities in creating complex, functional firearm components.

Quick Summary

The Lima Six belt-fed upper receiver, demonstrated by Sudo Solutions on Hoffman Tactical, is designed for AR-15/M16 platforms and fires 5.56x45mm NATO/.223 Remington via disintegrating link belts, enabling sustained full-auto fire.

Chapters

  1. 00:00Belt Loading Demonstration
  2. 00:12Full-Auto Fire Test
  3. 00:24Controlled Bursts & Accuracy
  4. 00:31Final High-Speed Burst & Mechanism Close-up

Frequently Asked Questions

What is the Lima Six upper receiver?

The Lima Six upper is a belt-fed upper receiver designed for AR-15/M16 platforms, allowing for sustained fire capabilities using 5.56x45mm NATO or .223 Remington ammunition via disintegrating link belts.

How is ammunition loaded for the Lima Six upper?

Ammunition is manually linked into a disintegrating belt. A soft-sided ammunition container is attached to the receiver to hold the linked belt during firing.

What calibers does the Lima Six upper support?

The Lima Six upper is compatible with both 5.56x45mm NATO and .223 Remington cartridges, offering flexibility in ammunition selection for the user.

What safety gear is recommended when operating the Lima Six upper?

During the demonstration, the shooter utilized 3M Peltor ComTac headsets for hearing protection and Mechanix Wear gloves for grip and protection, which are recommended for safe firearm operation.

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