Quote:
Originally Posted by AlexBisnett
Ok thanks for the help guys. For everyone who has ugraded their p90, since the original inner barrel length of the p90 is 247mm and im looking to get a tb barrel that is m4 size, 363mm will i need to change any of the internals other than that?
I randomly seen on another forum someone upgrading a g36 which has the same inner barrel and someone was telling them they need a bore up kit? Would i need one of those with my p90?
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Yes, if you put a m4 (363mm) barrel into a P90 you SHOULD change the cylinder in the gearbox so the port matches the barrel. You could run into FPS inconstancies if you don't (I did at least, along with many other problems).
You don't need a bore up kit, just stick with a standard kit/parts. It always doesn't hurt to have a box full of spare parts just incase something breaks. (Here is what a bore up kit is essentially >
Click Here < )
Make sure your Airseal and Shimming are perfect. I found these two things alone are essential to make a gun perform to it's fullest ability. You'd be surprised what your gun can do when you do these things even with stock parts in it.
If you don't know how to do it, find someone that knows how to to do it for you. I have been playing for 3 years, and I still get someone else to maintenance my guns (because I am lazy and I have no concept of how science and engineering works, I just assume it is all black magic).
Learn from my mistakes, don't use a P90 for 2 years with airleaks, an inconsistant FPS, and misfeeding like I did. Good luck.
PS. Consider getting a mosfet, it will give you a little better trigger pull and prolong your trigger contacts.