VFC GBB UMP

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JCL
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Joined: Tue Jun 26, 2012 11:01 pm
Location: Cohasset MN

VFC GBB UMP

Post by JCL » Sat Jan 24, 2015 2:16 pm

I recently got the VFC GBB UMP. I was wondering what you guys know about it. I did some research but there's very little information at all, let alone the American version. Im just curious if there's anything I should know.

Update: one issue I'm starting to see a little is sometimes the bolt doesn't go all the way forward after some shots. It goes most of the way forward, but it stops just short of loading the next bb. It only happens on the second or third load of bbs in a fill of gas, so I assume it's a mixture of low gas and cold temperatures, but I'm not quite sure.
JG 614 Full stock
S&T TAR 21 metal gearbox
VFC UMP GBB

KWA USP
WE 1911

My youtube channel is ArbiterAirsoft

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