new barrel adn expansion chamber, possibly a new bolt.
Strengths:
shoots straight with a new barrel.
its metal.
its got a decent bolt.
doesnt chop balls very often.
is decently light.
.and it looks really cool in black
Weaknesses:
Horrible stock barrel.
needs an expansion chamber.
Conclusion:
Well, its a good gun and you do get your bang for you buck, but because of the absence of a longer barrel and an expansion chamber, it gets a nine.