Machining an AR-15 lower receiver from a raw (“0%”) forging

034detentHole

Next is drilling the rear takedown pin detent hole.  This is a deep hole for its diameter, so drill a little bit at a time, retracting the drill to clear chips frequently.

Next is drilling the rear takedown pin detent hole. This is a deep hole for its diameter, so drill a little bit at a time, retracting the drill to clear chips frequently.

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