[Quick Questions & Simple Answers.]

Found these "Guarder Airsoft 140rd Mid Cap Magazine Pack Of 10 For M4/M16" on Action Hobbies, does anyone know if the magazines are any good? They are priced pretty low for a box set of 10, just interested to hear anyone's opinion.

Thanks

In-land Airsofter.

[hop up trouble, BBs just plummet???]

Im having trouble with my aeg hop up, whenever I shoot the bb's just plummet straight away, I've tried adjusting my pro win hop up but it just doesn't seem to lift it. I'm using a pro win m4 hop up with a modified firefly nub and madbull bucking both to flat hop. As well as a magic box miracle barrel. can anyone help me ??? Thanks.