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

030nextSetup

On to the next setup.  Here the lower is aligned vertically against the angle plate.  Note the square at the bottom of the picture for course alignment and the dial indicator for fine tuning.

On to the next setup. Here the lower is aligned vertically against the angle plate. Note the square at the bottom of the picture for course alignment and the dial indicator for fine tuning.

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