Some Brief Shooting with a SIG 553R

Published on July 13, 2019
Duration: 4:06

This video demonstrates a unique cooling test on a SIG 553R by Ian McCollum of Forgotten Weapons. After firing the rifle extensively on full-auto, it's submerged in water to test its resilience. The rifle continues to function reliably after this aggressive cooling, showcasing its robust design. Ian McCollum, a recognized expert in firearms history and mechanics, guides the viewer through this experimental procedure.

Quick Summary

Ian McCollum of Forgotten Weapons tests the SIG 553R in 7.62x39mm, demonstrating its full-auto capabilities and unique 3-shot burst mechanics. A notable cooling test involves submerging the hot rifle in water, after which it continues to function reliably, highlighting its robust Swiss engineering and AK-47 pattern magazine compatibility.

Chapters

  1. 00:00Introduction: SIG 553R
  2. 00:41Burst Fire Mechanics Explained
  3. 01:32Second Shooter Impressions
  4. 02:16Preparing for Cooling Test
  5. 03:00Water Cooling Test Procedure
  6. 03:34Post-Cooling Function Check

Frequently Asked Questions

What caliber is the SIG 553R tested in the video?

The SIG 553R featured in the video is chambered in the 7.62x39mm caliber. This is a common caliber for AK-pattern rifles, known for its effectiveness and availability.

How does the SIG 553R handle rapid full-auto fire and cooling?

During rapid full-auto fire, the SIG 553R's short barrel heats up quickly. It demonstrated remarkable reliability by continuing to function flawlessly even after being aggressively cooled by submersion in water.

What is unique about the 3-shot burst feature on the SIG 553R?

On the SIG 553R, the 3-shot burst requires the shooter to hold the trigger down throughout the entire burst cycle to ensure all three rounds are fired. This differs from some systems and necessitates a slight adjustment in shooting technique.

What magazines are compatible with the SIG 553R?

The SIG 553R is designed to be compatible with standard AK-47 pattern magazines, offering a wide range of readily available and interchangeable magazine options for users.

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