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Old 02-05-2013, 12:40 PM
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Nytemayr Nytemayr is offline
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Post upgrade G&G M4 gearbox lockup

I just upgraded my stock G&G Combat Machine 16 Raider with a Matrix M115 spring. When I fired it, the gun barely cycled the first time and locked up the second time. As I was taking out the stock bolt, I heard a click, like something had released, so I test fired it again. It fired multiple times but sounded a little rough. Every time I tighten the stock bolt down all the way it won't fire and when I unsrew it a little bit, it will fire. Any hints?

Info
Gun - http://http://www.evike.com/product_...ducts_id=33557
Spring - http://http://www.evike.com/product_...ducts_id=31456
Battery - 7.4v 1200mAh 15-25c Lipo bought @ 321Airsoft a month ago
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