Eric Brooks
Resources include a CZ 452 FAQ and downloadable targets in addition to CZ 452 accessories.
Gunsmoke Engineering
Ruger 10/22 parts, accessories, reference shelf, complete rifles, and gunsmith services.
New York State Rifle and Pistol Association
Includes rules, contacts, teams, and schedules. Sporterifle is a postal competion league for sporter class 22s.
RimfireCentral.Com
Open discussions to help the hunters, plinkers, target benchrest shooters and the hobbyist, and to make friends on the way to further our sport.
Sportables
Ruger 10/22 and MKII parts, accessories, complete custom rifles, complete custom handguns, and shooters chat room.
The Sight Ruger 10/22 Rifle Site
Many resources for the Ruger 10/22 including diagrams, accessories, how-to articles on upgrades and maintenance, accessory reviews and links to related sites.