What chapter /section explains in detail what actually constitutes a "part" when changing parts on your rifle? I have looked all over the atf site and could find out anything. I am looking for details on how many parts and what parts you can change and keep it complaint.
Originally Posted By 762bodydropper: another thing is how do they know where the part was made?
Most US parts are obvious minus a few like some pistons and breaks the majority are marked.
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