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Old March 9th, 2015, 22:24   #1
Amoki
 
Join Date: Aug 2007
Location: Aotearoa
Noob upgrading a TM Hi-capa 5.1

Currently trying to build my Hi-capa 5.1 into a IPSC platform... but it's giving me problems to no end.

The stock TM Hi-capa shoots alright - 250-260FPS on .25 g. I also have 2 Marui mags and a WE Mag for it.

Now, what I have done so far:
- TM mags upgraded with a Guarder high performance valve
- Slide to a Shooters Design STI Eagle 5.1
- Guarder Hammer spring and 150% recoil spring
- TK Twist Barrel

Now, this platform will shoot with the WE mag at 250FPS

But when I put in the upgraded TM mags, I have having a myriad of issues. Sometimes the gun would light strike, sometimes it'll fire but with excess gas coming out from the back of the slide/BBU.

How do I tackle the problem from here?

Last edited by Amoki; March 10th, 2015 at 01:01..
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