Is a piranha gti paintball gun upgradeable?
Yes, many dealers have upgrades in stock. Check ActionVillage.com
Firstly, the Blitz is built on the koas model, plus an adjustable blade trigger, ramping (near fully automatic) board, eyes, regulator, macroline system and is the "middle grade" in the Azodin line. The kaos and GTI are entry level markers, and the Blitz was designed as a mid level gun, so there is really no fair comparison. In addition Piranha gti is a relatively old, and in general low quality gun compared to the entire…
It depends on what your definition of "good" is. The vibe was designed to bring the performance of an electropneumatic down to the price and simplicity level of entry markers. It's a simple and dependable gun that performs very well. It's not as upgradeable as a BT or rough and tough as a tippmann but for entry level speed ball or rec ball its great.