A forum-based site with information about Browning military 1919a4 and 1919a6 rifles. Includes conversion information for 1919 series belt fed machine gun parts kits to legal semi-auto rifles.

A forums-based site primarily aimed at home building AK variant rifles. Some coverage of other firearms building. Information, advise and vendors.

Dept. of Justice, BATF site. An important resource for legal information about making firearms without violating federal laws.

Information, videos and photos of building 15 different legal firearms from parts kits.

Discussion and design collaboration on legal, registered firearms suppressor designs. Some vendor areas with forum discussion.

A forums based site with considerable information on the Uzi family of guns. Maintenance information, home building data and legal information.