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

071shaperRoughing

Partially roughed out mag well.  You can see the long cut marks from the shaper as well as the rough surface left by the 'corn cob' mill.

Partially roughed out mag well. You can see the long cut marks from the shaper as well as the rough surface left by the ‘corn cob’ mill.

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