Have a look at the born date in the top right hand corner of the data bit. in between the month and the year, has it got a large C, with an L inside. If so it's 3 years. Most of the Angel Air bottles over a year old are 3 year test.
Originally posted by thekid hey b4 u all go ,now that i have angel air reg,am i rite in thinking ill have to reset my front reg on the gun..........back to standard?