LMG-25: The Swiss Toggle-Locked Light Machine Gun

Published on December 29, 2025
Duration: 1:15

The LMG-25 is a unique Swiss toggle-locked light machine gun developed by Waffenfabrik Bern. It features a three-position fire selector (Safe, Semi-auto, Full-auto) and an innovative toggle-lock mechanism that articulates during the charging cycle. A key feature is its advanced primer ignition mode, designed to reduce recoil by igniting the primer while the bolt is still moving forward.

Quick Summary

The LMG-25 is a Swiss toggle-locked light machine gun featuring a unique Advanced Primer Ignition (API) system. API ignites the primer while the bolt moves forward, using its momentum to reduce recoil, making automatic fire more controllable.

Chapters

  1. 00:00Introduction to the LMG-25
  2. 00:04Fire Selector Switch Explained
  3. 00:10Charging and Toggle Lock Mechanism
  4. 00:26Advanced Primer Ignition vs. Normal Mode

Frequently Asked Questions

What is the LMG-25?

The LMG-25 is a Swiss light machine gun developed by Waffenfabrik Bern, notable for its toggle-locked action and chambered in 7.5x55mm Swiss. It features a unique Advanced Primer Ignition system.

How does the LMG-25's toggle-lock mechanism work?

The toggle-lock mechanism involves a multi-jointed linkage that locks the bolt carrier group. During the charging cycle, this toggle pivots, assisted by folding dust covers, to unlock the action.

What is the purpose of the Advanced Primer Ignition (API) on the LMG-25?

The API system on the LMG-25 ignites the primer while the bolt is still moving forward. This utilizes the bolt's forward momentum to counteract recoil, making the weapon potentially easier to control in automatic fire.

What fire modes does the LMG-25 offer?

The LMG-25 is equipped with a three-position fire selector switch. It allows the operator to select 'S' for safe, 'M' for full-automatic fire, and 'F' for semi-automatic fire.

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