Quote:
Originally Posted by ManateeMatt
Every other gearbox I have worked on seem to try to kill you as soon as you open them.
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That's the part I enjoyed about my ICS M4 - I stripped a piston, and I just popped out the upper and replaced the piston.
I recently changed the spring on a regular V2, with a weird spring guide that wouldn't let me get a screwdriver very deep into it to hold the spring in place as I closed up the box, and I spent the night trying to catch flying gears every few minutes.
I've never owned a KWA, so I can't speak for its reliability, and honestly I haven't used my ICS M4 much either, but it's been fairly reliable.
With the M4, there's the extra care that needs to be taken when splitting your upper and lower receiver, because you need to use the forward assist to release the tension in your piston spring - and when you do that, you have to be careful about where the piston is. ICS has a quick diagram somewhere that shows you the different places the piston can stop in its travel after firing. If you fire it in semi, the piston will stop in a place that is safe to release the spring, but if you were firing in full auto, there's a 50% chance it will stop in a place that can cause damage if you release the tension.
So, if you end up getting an ICS, you should release the tension on the spring after every game, by firing two shots on semi, then pressing the forward assist.
If you want to split the receiver (take out one or both of the body pins), make sure you release the tension on the spring first.
I like my ICS, especially its split gearbox. But a lot of people seem to hate them, and I haven't put enough rounds through it to tell you how reliable it is.