I'm not having any luck tracking down info on laws about making personal
(not for sale) guns.

You need a manufacturer's or gunsmith license, whether you are "not
going to sell them" or otherwise.

Otherwise:
_________________________________________________ ___
This is your bum: )°(

This is your bum when the BATF gets through with you )O(
__________________________________

Check out http://www.atf.treas.gov/firearms/faq/faq2.htm#a7
and
http://www.savvysurvivor.com/law_res...uilt_firea.htm