This guide details how to create a DIY 'Gas Buster' charging handle for AR-15/M4 platforms to mitigate gas blowback when shooting suppressed. The process involves applying high-heat RTV silicone to the charging handle, using shoe polish as a release agent, and allowing it to cure overnight. This modification, explained by experienced instructor Dave Timm, significantly improves the shooting experience by preventing gas from escaping into the shooter's face.
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