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

067roughDrilled

As the instructions point out, drilling is a great way to remove a bunch of metal relatively quickly.  Here the center material is 'chain drilled' from the mag well.

As the instructions point out, drilling is a great way to remove a bunch of metal relatively quickly. Here the center material is ‘chain drilled’ from the mag well.

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