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HK VP9/SFP9 trigger error - question

2379 Views 14 Replies 10 Participants Last post by  Klaustrophobia, 
T
I have a SFP9. I live in Norway som pardon any language errors.

Problem:

When I fire my SFP9, especially on the first shot, it has a tendecy not to fire. The trigger feels like it is not in contact or slipping under on the trigger group. At other occations it feels like the trigger is releasing in two stages. Red red loaded chamber indicator is visible at the end of the indicator hole, then on the first trigger pull it goes halfway inside the channel, and on the second pull it has a fullrelease.

I have tried to recreate what is happening in these videos.

[[video]https://www.flickr.com/photos/[email protected]/28763495190/in/dateposted-public/[/video]

[video]https://www.flickr.com/photos/[email protected]/28763495190/in/dateposted-public/[/video]

If any of you guys have a idea of what it might be, please give me a advise.

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Discussion Starter · #6 ·
Thanks for all the good suggestions.

The gun has no modifications, and has never been tampered with in any way. I have used for about 1500 rounds. Mostly IPSC shooting. The first 3-400 hundred shots the problem occured every 50th shot or so. Then the amount of errors occured more often. It happens almost every time I reload the gun. When I operate the tringger without the slide it seems like the triggerbar enters below the sear release.

Picture

The gun appears very accurate (even for an average shooter like me) and I have not experienced any other problems than the trigger issue.

I have several other HK products, and never experienced any problems. I just want to understand and learn what is happening.
 
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Discussion Starter · #12 ·
Thank you for all the suggestions.

I have spoken with the shop who sold me the gun, and the gun will be sent in for service.

I will publish the results as soon as they arrive. (Might take a couple of months).
 
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