Don't Shoot Your Silencer Without This!

Published on October 12, 2018
Duration: 7:17

This guide details the installation and function of a Nielsen Device (booster) for suppressed semi-automatic pistols with tilting barrels, as explained by an expert firearms instructor. It covers why these devices are crucial for reliable cycling, the components involved, and identifies firearms that do not require them. The instruction emphasizes practical application and troubleshooting common cycling issues when using suppressors.

Quick Summary

A Nielsen Device (booster) is critical for reliable cycling of suppressed semi-automatic pistols with tilting barrels. It uses a piston and spring to overcome the suppressor's weight, preventing failures to eject. Firearms with fixed barrels or non-tilting actions, like rifles and some .22 LR pistols, do not require this accessory.

Chapters

  1. 00:00Introduction to Nielsen Device
  2. 01:00Booster Components and Assembly
  3. 02:53Tilting Barrel Action & Cycling Issues
  4. 04:13Range Test: Direct Thread vs. Booster
  5. 06:07Fixed Barrel Exceptions

Frequently Asked Questions

What is a Nielsen Device and why is it needed for suppressed pistols?

A Nielsen Device, or booster, is essential for suppressed semi-automatic pistols with tilting barrels. It uses a piston and spring to help the firearm cycle reliably, overcoming the added weight of the suppressor that can otherwise cause failures to eject.

Which types of firearms require a Nielsen Device for suppressed shooting?

Nielsen Devices are primarily needed for semi-automatic pistols that utilize a tilting barrel action, such as many Glocks, 1911s, and Smith & Wesson M&Ps. Firearms with fixed barrels, like Hi-Points or Ruger Mark IIIs, and all rifles do not require them.

What happens if you shoot a tilting-barrel pistol suppressed without a Nielsen Device?

Without a Nielsen Device, a suppressed tilting-barrel pistol will likely experience frequent failures to eject, commonly known as stovepipes. The suppressor's weight hinders the slide's ability to cycle fully, turning the semi-auto into a single-shot firearm.

What are the main components of a Nielsen Device?

A Nielsen Device typically consists of three main parts: a piston that interfaces with the firearm's barrel, a spring that provides resistance and assists cycling, and a mount that attaches the device to the suppressor.

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