Your gun isn\'t going to shoot itself! You\'re going to need some air. Spray \'em with more paint than they can handle with the Maddog 20 oz. CO2 Paintball Tank! Refillable 20 ounce capacity tank BUILT FOR PAINTBALL. Featuring a lightweight, high-quality, durable, aluminum body for approximately 800-1000 shots per fill! This 20 oz. refillable C02 tank meets or exceeds all ASTM, DOT, TC or CGA Standards or Requirements and is compatible with all standard CO2 powered paintball guns - Tippmann, Azodin, HK Army, JT, Spyder, Etc..Features: * 5 PACK of High Quality Aluminum 20 Oz Refillable Co2 Tanks with Industry Standard Pin Valve * Approximately 800-1000 Shots Per Fill - Never have to worry about running out of air mid-game * 5/8-18UNF Valve * Five-Year Retest Cycle * All Components Meet or Exceed All ASTM, DOT, TC or CGA Standards or Requirements * Shipped EMPTY - Must Be Filled Prior to Use. * 10.5 Length x 3 Width * Tank Weight when Empty: 1.75 lbs * Tank Weight when Full: 3lbs * Buy Multipacks to Reload on the Go! All CO2 tanks are shipped empty to comply with Department of Transportation lawsPerfect Paintball tank for your Tippmann Cronus, Stormer, TMC, 98, A-5, Etc. Azodin Kaos, HK Army SABR, JT Stealth, Kingman Spyder, ETC!5 YEAR RE-TEST CYCLE - THE DATE STAMPED ON THESE TANKS IS THE DATE THE TANK WAS MANUFACTURED, NOT AN EXPIRATION DATE. TANKS ARE GOOD FOR 5 YEARS AFTER THIS DATE UNTIL THEY WILL NEED TO BE RE-HYDRO TESTED.Buy Multipacks to Reload on the Go! All CO2 tanks are shipped empty to comply with Department of Transportation laws.