Hi I'm glad I found you guys, please excuse my absolute ignorance of PCP air rifles this is my first one, it arrived today hatsan invader auto... so got it all out together figured out the magazines etc... and THEN I opened the ebay handpump with Chinese instructions..I managed to get it assembled too.. my question relates to a fill probe for the 255cc tank... I have 3 brass fittings that sort of fit together but I dont think any of them is a "fill probe" which means I cant use my gun yet. I have included a picture of those three pieces and I would like for somebody to answer me if those put together a certain way equal a fill probe if they do not please advise me further there are also a ton of O-rings a various sizes which I'm sure go on these things and some are replacements. I am also including pictures of the pump itself if anyone can help me figure this out I would be grateful oh, thank you Pastor Joe 
Brand new. Questions.
- Thread starter REV.WHITEWOLF
- Start date
There should be a fill probe or similar that came in the rifle box. Gets inserted into the hole in the front of the airtube
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the gun shouldve come with a probe ... then youll need a male 8mm foster with a bspp female thread for the probe .. or a male bspp thread and use a double male foster adapter .. that middle fitting you have may work on thr probe, cant tell, but first you need to find the probe that came with the gun .. its prolly in the bag of crap that came with it .. 9th
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Just an internet pic, your might be slightly different.
https://hatsanairgunsusa.com/product/pcp-fill-probe/
Maybe dig in the box again? But some airguns do sell w/out probes.
John
https://hatsanairgunsusa.com/product/pcp-fill-probe/
Maybe dig in the box again? But some airguns do sell w/out probes.
John
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You are for sure missing the fill probe and it was suppose to come with it. I would check to make sure its not hidden in the gun like in the grip or stock or didn't get wedged down the handguard between the barrel and tube. If worse comes to worse make sure you read all of the instructions as it may tell you where its tucked away at. If you do have to contact Hatsan about getting a new one make sure they send you O-rings for it also as it doesn't come with o-rings on it, you have to put those on But those should be in a little bag in the box.
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Just bought an invader last month and it came with a fill probe which was in the Ziploc bag along with the extra O-rings. I had to buy an Air Venturi male foster fitting for it though. I have a hand pump but didn’t want to go that route.
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Thank you guys for all the responses, so to update I contacted the vendor who sold me the rifle and he is working on getting me one from the manufacturer and sending it to me but I went ahead and ordered one last night and it's worth spending twenty bucks to have two of them so I should be happily zeroing in my rifle within a week I was just hoping to have already done so but it'll be all right I'm glad to have it
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G
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Never hurts to have extra parts on hand. 
looks like a really awesome rifle, let us know how it goes when you get it set up.
looks like a really awesome rifle, let us know how it goes when you get it set up. Upvote 0