http://www.hawktecharms.com/ruger/10-22.htm

http://www.powercustom.com/10-22/parts_10-22.htm

http://www.midwayusa.com/static/Ruger-1022.aspx

http://www.10-22rifles.com/10-22riflelinks_a.asp

http://www.clarkcustomguns.com/1022parts.htm

http://www.heddonpal.com/list.asp?d=8&p=1

http://www.gunkings.com/

http://www.midwayusa.com/ebrowse.exe/browse?TabID=9&Categoryid=11647&categorystring=10636***10560***9142***&utm_source=ruger1022&utm_medium=gunpartscat

http://www.weaponkraft.itgo.com/

http://www.clarkcustomguns.com/riflepts.htm