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Maverick 234

Umarex 850 Air Magnum - bolt cocking problem

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I purchased a supposedly new Umarex 850 Air Magnum 18 months ago, and have had continuous problems with the bolt action and loading from the 8 shot clip. I sent the gun back to the well known air rifle dealer for repair under warranty, and the gun was returned supposedly repaired. (I have no details on what was actually done). The bolt action was still stiff, and still had the old problem of pellet loading (like the clip was not correctly aligning itself with the barrel and bolt as it turned on being reloaded). The problem has not become major, as the bolt will no longer cock the rifle, and it is almost as though there is some sort of peg missing on the bolt which sets the trigger. The automatic safety also does not lock indicating that the bolt isn't drawing back far enough (if that makes sense). Has anyone else had a similar problem with this gun? If so what is the remedy? I have gone to a local gun dealer who is sending it to a gunsmith for a quotation, but it would be useful to know what the actual problem is! Help!!!!

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You problem is most likely pellets in your action, they get between your cocking bolt peg and stop your gun cocking, an easy fix, google 850 umarex, theres a full photo stripdown john

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Its a 20 muinit (SPELT WRONG) job. remove gas cylinder,(no option) then stock, 4screws out, remove your bolt (do not remove magazine catch) and carefully part your action, remove your hammer, and you will find the pellet/s jammed in the slot that you bolt peg runs in, john

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I find on mine that certain make pellets cause it to be stiff pushing it forward and then pellets getting stuck in the action. I snapped the bolt on mine trying yo unjam numerous times it when I first got it a few years back and it was around £20 quid for a new bolt.

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I have a problem with my 850. After leaving it for quite a while I decided to take it and blow the dust off and have plink or two. But it was dead and no life so I thought the gas is dead but when removing it I found it was full. Thinking I did not do something right I put another one in. And it is the same. Is this an easy fix or is it a trip to the expensive repair shop. I have the tools and  abilities to do it but need to find out if it is something that can be sorted d I y style as I have never opened it up before. Please let me know what you think. Thanks. 

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Colies850  Perhaps introduce yourself?

Sorry but never had an 850,     Mm, 2 up the spout now, not sure your ability matches your ambition buddy?

Edited by old man

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hello, apart from very good advice given on here for just about anything shooting or other ? you can find a lot of info via google if you put in the problem and what rifle/gun you wish to know about,  

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I bought a Hammerli 850 Magnum for my son, first gun. After just a few months, none of the six magazines will cycle/index when the bolt is cocked. Any advice would be appreciated, I have googled for hours :(

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hello, you might find some info on the UK Chinese air gun forum, there was a UK service/repair chap called Phil,  try Armex Air Guns in Birmingham

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I bought the gun privately. I will see if Armex can help.  Thanks for replies

Damn, I can't find any contact details for Armex, looks like they only use Facebook. I won't use Facebook. Don't suppose anyone has an email for them?

 

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1 hour ago, Dog Trainer said:

I bought the gun privately. I will see if Armex can help.  Thanks for replies

Damn, I can't find any contact details for Armex, looks like they only use Facebook. I won't use Facebook. Don't suppose anyone has an email for them?

 

Google armex, 15 seconds in and youll see on the facebook page that anyone can see (I don't have facebook and won't ever have it either) the telephone number, that I will put below. 

0121 643 4900

 

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Ah yes, thanks. I was in a rush. Usually I find anyone who exclusively relies on Facebook, they tend to require messenger for contacts so I didn't look further. my bad. thanks!

 

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