HW/Weihrauch HW50 , the challenge continues

[Mycapt65]

Another idea on the ill-fitting breech block - I've actually seen this one before!

If the gun has been triggered off at some point, that can bend the long cocking link. This makes it slightly shorter, and prevents the breech from fully rotating back into position.

A non-standard piston - or one with a longer-than-original seal on the front, etc. - can cause a similar issue.

I've also seen where the fixed chisel detent is brazed in rotated and the breech sits up on the high corner.

 

[Mycapt65]

Weihrauch (old and new) has a lot of duds out there.

 

[Ievgen721]

I guess it's possible to damage the forks by triggering off but that's a low powered gun and I've seen a few higher power guns triggered off that broke and bent everywhere else but there. Some of Weihrauch's fork plug installations are less than elegant. Internally they can be down right ugly but they're generally very strong.

When the barrel bends due to the piston breaking off ( triggering off ) the barrel sticks up, not down.There are only two options here: either the barrel is not original, or someone tried to repair the wear in the hinge ineptly. In any case, the road to Gunsmith. Anything else is unlikely.

 

[Mycapt65]

When the barrel bends due to the piston breaking off ( triggering off ) the barrel sticks up, not down.There are only two options here: either the barrel is not original, or someone tried to repair the wear in the hinge ineptly. In any case, the road to Gunsmith. Anything else is unlikely.

I well aware of what happens from up flying barrels. I never said it had anything to do with droop. Give me a little credit. I was only addressing the suggestion the fork fit might be a result of it.

 

[Ievgen721]

I well aware of what happens from up flying barrels. I never said it had anything to do with droop. Give me a little credit. I was only addressing the suggestion the fork fit might be a result of it.

That's exactly what I thought - the fork died from work and they tried to revive it.

 

[Silver Ace]

perhaps it was triggered off and the previous owner put on a different barrel? Or bent the barrel back. For what it’s worth, here is a video of Paul Watts fixing an R7 that was triggered off and bent the breach forks up slightly.

 

[crowski]

First of all I have to say thanks for all the input. Fascinating
Most my guns are new with needs of cleaning deburring and new spring and perhaps piston seal. I think I can handle that.
I picked up a few older guns to gain some experience on other repairs. Kinda bummed out. Quickly realize without machinery I’m euchred. Thought about it, but I’m too old to buy machinery. Way beyond my capabilities. So, this is way over. I have 3 of these guns now. They shoot but don’t seem right. Crow
hit post by mistake.

 

[MDriskill]

I wonder if that is an economy version gun made for the non US market, using the less expensive rear sight than we were getting in the US by 1972, and if it's a "club gun" that is very heavily used, with all the blue worn off the barrel and receiver?

For many years the HW 50 was made in two versions. The cheaper "HW 50M" typically had the simple sights and Perfekt trigger, and the upmarket "HW 50S" had the better sights and Rekord, but it was easy enuff to mix'n'match parts. There were also upgrade stocks available. Air Rifle HQ was the biggest US importer in those days and had both versions.

I would kindly request 2 or 3 pics of the action taken out of the stock, including 1 or 2 with the breech fully open. That would limit the number of dumb suggestions I can make, LOL!

 

[crowski]

The rear sight adjustment screw is wrong thread. It will only turn 1/4 turn. Crow

For many years the HW 50 was made in two versions. The cheaper "HW 50M" typically had the simple signts and Perfekt trigger, and the upmarket "HW 50S" had the better sights and Rekord, but it was easy enuff to mix'n'match parts. There were also upgrade stocks available. Air Rifle HQ was the biggest US importer in those days and had both versions.

I would kindly request 2 or 3 pics of the action taken out of the stock, including 1 or 2 with the breech fully open. That would limit the number of dumb suggestions I can make, LOL!

I can do that for you. Have to be in evening. Crow
If I remember correctly some trigger assembly parts were crushed. I got the trigger from UK.

 

[crowski]

Sorry forgot last night. Brain was on vacation,

Crow

 

[MDriskill]

Thanks!

Well, after you went to all that trouble...I don't see anything that looks amiss. Hopefully one of our sharper-eyed forum mates will do better.

 

[crowski]

Thanks!

Well, after you went to all that trouble...I don't see anything that looks amiss. Hopefully one of our sharper-eyed forum mates will do better.

No trouble. I appreciate your knowledge. Thanks. Crow

 

[Ievgen721]

No trouble. I appreciate your knowledge. Thanks. Crow

Remove the barrel!!! Everything will become clear at once. If the barrel is not original, then Gunsmith will fix everything for you, it is cheap. If traces of repair are visible (washers, bushing, welding, еtс.), then unfortunately the rifle has served its life.

 

[Chuck-in-Ohio]

First impression is that the chisel detent in the breech appears to be clocked a few degrees off of the horizontal plane. This issue was mentioned earlier in the thread, and may bear some looking into.

 

[specie]

...replacement newer type breech seal sits proud?...nice old gun, whoever did "700 yrd ac" was a compulsive sort of fella?...if that's a Weihrauch accurate to 700 yards it belongs in a museum?...

 

[A.G.R]

In order form that barrel to work well and be level. Your gonna need to remove some from the under side of the detent area

you can see where it’s hitting unevenly with gouging happening from not being aligned from the factory. Then , depending onnthe amount needed the last arrow showing the seal face may need some relief also. Thus you will need to size your new breech seal as it will stand to proud and not allow full lock up. This is air gun smithing. 201 And is not fornthe first year students. After wards it will be level and the seal will fully seat.

 

[specie]

...carefully remove the breech seal, you'll have a leak if you shoot the gun, but see if the lockup is OK?...incidentially, this was originally a "HW50", and not a "HW50S"?
Mike will tell us if any HW50 came with a Rekord trigger?

 

[Ievgen721]

In order form that barrel to work well and be level. Your gonna need to remove some from the under side of the detent area

you can see where it’s hitting unevenly with gouging happening from not being aligned from the factory. Then , depending onnthe amount needed the last arrow showing the seal face may need some relief also. Thus you will need to size your new breech seal as it will stand to proud and not allow full lock up. This is air gun smithing. 201 And is not fornthe first year students. After wards it will be level and the seal will fully seat. View attachment 573232

Roughly this is what I had in mind, advice to go to Gunsmith, they often deal with this with hunting firearms when changing barrels such as Harington and Richardson, Handy Rifle, Rossi and the like. This is a simple job for a professional gunsmith and costs cheap.

 

[Chuck-in-Ohio]

The leade on the breech end of that barrel looks a tad rough as well.

I believe that barrel assembly needs a complete refurb and fitment program applied to it in order to align and register properly.

@A.G.R has rendered an analysis, and I would base my program on that input.

It would appear that you have a rebarreled 50S, or a base model 50 with an upgraded Rekord trigger cassette installed?

The serial comes up as 1972, but that particular rifle is not in the Weihrauch database to give us an idea what configuration it was issued in unfortunately.