This marker comes ready to go out of the box. If you want any upgrades they are just prefrence upgrades on how you want ur gun to look.
Strengths:
Does not Chop Balls.
Cheap
Great look.
Accurate!
Weaknesses:
Mines bright blue so it stands out
Review:
This is a great buy for a beginner or advances paintballer. I use mine for bushball and it works great. Mines bright blue so i gives me away in the bush but thats the only bad thing i could find about this gun. I have shot over 5000 balls with this gun and not one has broke in the barrel.