i had s tipman A5 for a very short time, They are not the most concealingof markers, Like has ben mentioned earlier they do giveaway their posistion by the co2 coming out of the barrel, They are gas hungry & not really the most effienct markers however they are a reliable a anything, no electronics to worry
about, A few moving parts inside & various O rings etc.
its diffilicult to say wether or not it can beimproved, I would say however to pop in the reball room & see whatshappening with regards tactics etc.
Darky.