G150: Swiss Silenced Guerrilla Anti-Material Rifle

Published on July 21, 2025
Duration: 1:15

This guide details the disassembly and functional understanding of the G150, a unique Swiss suppressed anti-material rifle. Expert Ian McCollum explains its SIG hunting rifle action, custom .41 Magnum subsonic ammunition, and highly effective telescoping suppressor system. The rifle's design prioritizes maximum silence for 'stay-behind' guerrilla operations.

Quick Summary

The G150 is a Swiss suppressed anti-material rifle based on a SIG hunting rifle action. It fires custom .41 Magnum subsonic ammunition with a 409-grain bullet and features an advanced telescoping suppressor with an expansion chamber and baffles for maximum silence, designed for guerrilla operations.

Chapters

  1. 00:00Introduction to the G150
  2. 00:09Action and Design
  3. 00:27Ammunition and Ballistics
  4. 00:43Mechanical Details
  5. 00:50Suppressor Technology

Frequently Asked Questions

What is the G150 rifle?

The G150 is a unique Swiss suppressed anti-material rifle developed for 'stay-behind' guerrilla organizations. It features a SIG hunting rifle action, fires custom .41 Magnum subsonic ammunition, and is equipped with an advanced telescoping suppressor for maximum silence.

What caliber and ammunition does the G150 use?

The G150 utilizes a custom loading of the .41 Magnum revolver cartridge. It specifically fires a heavy 409-grain round nose bullet, engineered to remain subsonic for enhanced stealth when suppressed.

How does the G150 achieve its silence?

Silence is achieved through a combination of factors: a custom subsonic .41 Magnum load and a highly effective, custom-designed telescoping suppressor. This suppressor features an expansion chamber and multiple baffles integrated with a vented barrel.

What is the mechanical basis of the G150 rifle?

The G150 is built upon a standard SIG hunting rifle action. Its bolt features three locking wedges that engage recesses in the receiver, providing a secure lockup for firing the powerful .41 Magnum cartridge.

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