yea u can upgrade like everything on it. if ur playing in the wood in stuff this is the gun for you. they re easy to maintain and almost never break. and for all u f a g s who sat tippmans suck ur rong its 99% skill.and u not sure if u sed u got one but if u got money and r gonna b into it go with a-5(just to brag i got 1 from my friend for 160$ with teardrop barrel, drop forward, on off valve, and double trigger. W00t!) anyway and if u have big dough ur gonna b spending(say over 1000) go get an intimidator. and if u happen to live in VA i really doubt it but i have a 98 im selling...