National Firearms Organizations

• National Rifle Association
• NRA - Institute for Legislative Action
• National Shooting Sports Foundation
• Second Amendment Foundation
• Citizens Committee for the Right to Keep and Bear Arms
• Gun Owners of America

Colorado Firearms Organizations & Websites

• Colorado State Shooting Association - Colorado State NRA Affiliate.
• Rocky Mountain Gun Owners

Politics and Elected Officials

• NRA-ILA Elected Official Look Up Tool - Look up your National, State, and Local Elected Officials' Contact Information.
• NRA-ILA Elected Official Rating Tool - Look up your National, State, and Local Elected Officials' Pro 2^nd Amendment NRA Rating.

Shotgun/Trap and Skeet

• Clay Targets Online
• Amateur Trapshooting Association
• Trapshooters.com

Hunting

• Colorado Division Of Wildlife

Outdoor Sporting

• OutdoorsCentral.com

State/National Firearms and Concealed Weapons Laws

• NRA-ILA's Index of National and State Gun Laws
• HandgunLaw.us - A resource for concealed carry laws in all 50 states and U.S. territories.
• USACarry.com - A resource for concealed carry laws in all 50 states and U.S. territories. Hosts an excelent tool to find which states your carry permit(s) are valid in.

General Firearms Websites

• ColoradoShooting.org - A one stop shop for all shooting related activities in Colorado
• WhereToShoot.org
• LostTarget.com
• Small Armz

Firearms Discussion Forums

• ColoradoCarry.com
• Colorado AR-15 Shooters Club Discussion Forums
• SigForum.com - Firearms and general discussion forum with a classifieds board. Focused on Sig Sauer brand firearms.
• HKPro.com - Firearms discussion and classifieds forum. Focused exclusively on Heckler & Koch brand firearms and their clones.
• AR15.com - Firearms disussion and classifieds forum. Articles, Instructions, Reviews and other information.
• GlockTalk.com - Firearms discussion and classifieds forum. Focused on Glock brand firearms.
• FirearmsTalk.com - Firearms, Guns & Weapons community discussion forums. Galleries, Reviews, Articles, Links and much more.

Colorado Gun Clubs

• Aurora Gun Club
• Arvada Rifle and Pistol Club
• Colorado Rifle Club

Firearms Auction & Classifieds Websites

• Gunbroker.com - Auction website for firearms and accessories. A great website to buy or sell firearms, ammunition, and gear.