Davet Posted January 21, 2023 Posted January 21, 2023 (edited) Brand new out of the box Umarex VFC Glock 17 Gen 5 GBB running on green gas. It picks up a BB from the mag but stops with the nozzle/slide about a centimetre shy of completion. Pushing the slide forward results in the metered amount of gas discharging from within the frame, BB stays in the chamber. The slide doesn’t appear to catch on anything. I’ve read of issues with over insertion of the mag due to a ridge at the top of the mag well that’s not present on the Gen 5 and have ruled that out. I’ve also wiped off the original oil from the contact points between slide and frame and relubed to see if that was the problem. Tried the mag that came with it and a spare ordered at the same time. No joy. Help/ideas/suggestions appreciated… Edited January 21, 2023 by Davet
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