The following are useful links to air enthusiasts

Airgun Forums:

Marauder Air Rifle Forum  – AirGun Guild Talon Air Gun ForumGateway to Airguns Yellow Forum

Airgun Articles & Magazines

Mountainsport Airguns Magazines

Online Tools

Tank Fill Calculator and Volume Chart PCP Air Efficiency Calculator  

Big Bore Airgun Makers

Wicked Air Rifles American Air Arms  

Big Bore Airgun Pellets and Cast Bullets

Mr. Hollowpoint