SAAMI - Sporting Arms and Ammunition Manufacturers' Institute

An association of the nation's leading manufacturers of sporting firearms, ammunition, and components. Currently publishes more than 700 voluntary standards related to firearm and ammunition quality and safety.
http://www.saami.org

Rec.Guns FAQ

Features this discussion group's FAQ, image archives, firearm sound library, and phone book with contact information for businesses, organizations, and people.
http://www.recguns.com/