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

044alignment

The square bar allows the lower to be chucked in a 4-jaw chuck on the lathe.  The chuck jaws are snugged up, then the sides of the lower are indicated parallel to the lathe bed before tightening the bolts.

The square bar allows the lower to be chucked in a 4-jaw chuck on the lathe. The chuck jaws are snugged up, then the sides of the lower are indicated parallel to the lathe bed before tightening the bolts.

Bookmark the permalink.

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>