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KBarlow · July 9th, 2012, 13:09

Ok, so I installed a new JG version 2 gearbox into someone's M16 with a Modify S120 spring in it (quick change gearbox, didn't need to open it), and the FPS was only 265. The hop-up was damaged, so I replaced it with a new systema Energy hop-up and tested it again. Same thing.

What's going on here? Is the inner barrel bent or something? Like what would be causing this?

Chrono is an Xcortech 3200, and my KWA M4 clocks in at around 360, so it's not the chrono.

July 9th, 2012, 13:09	#1
KBarlow attention whore wants a custom title. Trader rating Join Date: Jan 2011 Location: Kamloops, BC	Low FPS Ok, so I installed a new JG version 2 gearbox into someone's M16 with a Modify S120 spring in it (quick change gearbox, didn't need to open it), and the FPS was only 265. The hop-up was damaged, so I replaced it with a new systema Energy hop-up and tested it again. Same thing. What's going on here? Is the inner barrel bent or something? Like what would be causing this? Chrono is an Xcortech 3200, and my KWA M4 clocks in at around 360, so it's not the chrono. __________________ Airsoft Kamloops