This guide details the installation and function of the SilencerCo Gas Defeating Charging Handle (GDCH). Ryan Stratton from SilencerCo explains how the GDCH, compatible with AR-15, SIG MPX, and SIG MCX platforms, utilizes an O-ring seal to significantly reduce gas blowback during suppressed fire. The design also incorporates ergonomic features for easier manipulation.
This guide details how to install and evaluate AR-15 charging handles designed to mitigate gas blowback, a common issue when shooting suppressed. It covers the mechanics of gas systems, highlights various aftermarket options, and emphasizes practical testing and reliability assessment. The information is presented with a practical, no-hype approach, drawing on expert analysis of different design philosophies and their real-world effectiveness.
The SilencerCo GDCH (Gas Defeating Charging Handle) aims to reduce gas blowback to the shooter's face, particularly when running suppressed on AR-15 platforms. Testing indicates it significantly mitigates gas to the face, even with a short-barreled, suppressed 7.62x39 AR, though some smell and side-venting gas may still be present. The design features a rubber seal at the rear to improve its gas-blocking capability compared to standard and other aftermarket charging handles.
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