Stgw57

Published on February 23, 2026
Duration: 2:24

The Stgw 57, a Swiss military rifle, is a robust and feature-rich firearm. This review highlights its unique muzzle device for grenade launching, 360-degree rotating bipods, complex adjustable iron sights, and a straight-pull bolt action inherited from the K31. While designed for versatility, the rifle is noted for its substantial size and weight.

Quick Summary

The Stgw 57 is a Swiss military rifle featuring a unique muzzle device for rifle grenade launching, 360-degree rotating bipods, and a roller-delayed blowback action with a straight-pull bolt. It also includes a ventilated barrel shroud and a special trigger extension for safety.

Chapters

  1. 00:00Introduction to the Stgw 57
  2. 00:08Muzzle Device: Flash Hider & Grenade Launcher
  3. 00:16Bayonet Lug and Rotating Bipods
  4. 00:31Ventilated Barrel Shroud Functionality
  5. 00:43Adjustable Iron Sights Explained
  6. 00:58Handguard and Carry Handle
  7. 01:06Charging Handle and Roller-Delayed Action
  8. 01:28Fire Selector Settings (Semi-Auto)
  9. 01:35Unique Trigger Extension Feature
  10. 02:00Quick-Disconnect Buttstock
  11. 02:11Overall Assessment of the Stgw 57

Frequently Asked Questions

What are the unique features of the Stgw 57 rifle?

The Stgw 57 boasts a muzzle device capable of launching rifle grenades, 360-degree rotating bipods, a ventilated barrel shroud for cooling, and a complex adjustable rear sight. It also features a straight-pull bolt action inherited from the K31 and a special trigger extension.

What is the action type of the Stgw 57?

The Stgw 57 utilizes a roller-delayed blowback system for its operation. Its charging handle functions as a straight-pull bolt action, a design element borrowed from the earlier K31 rifle.

Can the Stgw 57 fire rifle grenades?

Yes, the Stgw 57's muzzle device is specifically designed to function as a launcher for rifle grenades, in addition to serving as a flash hider.

What is the purpose of the trigger extension on the Stgw 57?

The trigger extension on the Stgw 57 is a safety feature designed to prevent finger injury from recoil, especially when the user is wearing thick winter gloves or when launching rifle grenades.

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