This video demonstrates two methods for extracting a broken carrier key screw from an AR-15 bolt carrier group. The primary method involves cutting a slot into the broken screw with a rotary tool and then using a screwdriver. If this fails, a secondary method using drilling and a screw extractor is presented. The instructor also notes the use of gasket sealer rather than traditional thread locker on these components.
This guide details a professional gunsmithing technique for removing stubborn screws from firearm receivers, presented by Larry Potterfield of MidwayUSA. It covers initial attempts with penetrating oil and heat, followed by precise drilling and the use of specialized extraction tools when other methods fail. The procedure emphasizes careful setup and controlled application of force for successful screw removal.
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