S C B A tthat's what you want and need ..I own 2 3000psi guns even a 3300psi, 100 cu ft scuba tank sucked...check out this site..I bought one of the 66 cuft tanks with the hose/gauge set-up...BEST money I've spent in a long time....got PLENTY OF AIR
http://www.hamcontact.com/airgun/HoseAssembly/