AK, SKS Style Rifles:
Kalashnikov Site - History and specifications on the AK-47 and other designs of Mikhail Timofeevich Kalashnikov.

H & K Style Rifles:
HK91.com - Offers information on Heckler and Koch firearms, a message board, and gun rights data.
HKPro.com - Features this unofficial resource for the serious student of Heckler and Koch. Provides a forum and also sells HKPro gear.

M1, M14, M16, AR Style Rifles:
AR15 Websites.com - Reviews of new and old AR-15s, variants and accessories. Includes photographs and links.
AR15Armory.com - An AR-15 dedicated site that includes manuals, guides, firearms news and discussion about the AR-15.
AR-15.com - Presents information and links to history, manuals, ammo, manufacturers, discussion groups, mailing lists, and distributors of AR-15s.
68forums.com - A forum with information about ammunition, manufacturers and distributors of 6.8 products.
John C. Garand (1888-1974) - Brief biographical profile of the engineer and inventor of the M1 semiautomatic rifle.
M1 - Garand Collectors Association - Garand Collectors Association (GCA). The GCA is devoted to the study of the M1 Garand rifle. It is the intent of the GCA that this site will foster interest and study on the subject of this superb firearm.
M1 - Review of Fulton Armory M1 Garand Rifle Upgrade - Review of Fulton Armory Upgrade to an M1 Garand Rifle.
M1- Department of the Army Field Manual - FM 23-5, Caliber .30 - FM 23-5 for the U.S. Rifle, CALIBER .30, M1.
The M1 Garand Information Place - The M1 Garand Information Place contains bulletins, serial number information, how-to guides and generic M1 Garand information.
The M1 Garand Rifle - An M1 garand site devoted to the mechanical functioning, nomenclature, and history of the M1 Garand Rifle. There are sections devoted to field stripping, detail stripping and assembly.
M16 Information - An introduction to the history of the M16 rifle.
M1-Garand World War II Tribute - Tribute to the M1-Garand, the men of World War II who carried it, and what they did.
Modern Firearms - AR-15 - A collection of information about the AR-15, its history and the changes of the rifle.
Scott A. Duff Historic Martial Arms: FAQ - Frequently Asked Questions about the M1 Garand, and the US Rifle Model of 1917.
SWD Lightning Link - Information about the SWD Lightning Link for the AR-15.
TB 23-7-1 - Tech Bulletin 23-7-1 This is the manual for the M1 Carbine, published before FM 23-7.
Tribute to the M1-Garand and the men who used it in WWII - Tribute to the M1-Garand and the men who carried it in World War II.
US Armory - Suppliers of US military parts, including M1A, M14, AR15, M16, M1 Carbine, M1 Garand, AK47, FAL-Parts, accessories, bayonets, magazines, and clips.
300 Whisper Page - Features history, reloading, and shooting of this cartridge as well as a discussion of the various weapons that use it.