Today, as I went chronographing my Dianas, see my previous post, I took with me a dampa-mount with a Leupold VXII 4-12AO fitted. I tell this because Leupolds generally have a large margin for adjustment.
In short: I couldn't get the scope zeroed on any of the three guns !!!
Elevation was way too much off !
I was really sad and pissed off. Is this normal ? On THREE different Dianas ?
Why do they install scope rails if they don't bother to align them properly ?
I know there are adjustable scope mounts (thanks, Knobs ) but I consider such a mount "a lot of hassle you shouldn't have to deal with".
Grrrr
Does everybody have this problem ?
Joris
Joris
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model 24 .22
model 27 .177
model 34 .22
Feinwerkbau LP65match .177
Weihrauch 97K .177
Dianas are designed with barrel droop built into the gun. That means that the barrel axis is angled to drop slightly from the receiver tube axis. I'm afraid you're going to need adjustable scope mounts. You may be able to make them work by using a very low mount, but that might be wishful thinking.
Yes I know. Adjustable mounts. But if, as you say, every Diana has the same "droop", why not change the standard scope rail ?
just an idea.
Provided the rail is screwed on the gun, can't the rail be altered so it has some inclination. So it is higher on one side (rear).
To me it sounds simple, or am I forgetting something. Anyhow, is someone can provide me with a "sloping rail" that I can fix on my 24 and 34, I would be very happy
Joris
------
model 24 .22
model 27 .177
model 34 .22
Feinwerkbau LP65match .177
Weihrauch 97K .177
btw: have you seen my other post ? I was very pleased with the results. Having read the other threads on this site, I suppose the performance will even become better.
CU !
PS: you don't live in Holland or Belgium, by any chance ?
Joris
------
model 24 .22
model 27 .177
model 34 .22
Feinwerkbau LP65match .177
Weihrauch 97K .177
Knobs,
Just thinking of something:
While the 34 shot very low, the 24 shot very high.
Shooting was only done at 10 meters.
Provided the rail is - say - 10 cm long, this is 100th of the distance, so a "slope" in the rail of about 1mm should already change the point of impact by about 10cm.
Correct me if I am wrong.
Kind regards,
Joris
------
model 24 .22
model 27 .177
model 34 .22
Feinwerkbau LP65match .177
Weihrauch 97K .177
Hello,
Yesterday I went to my local gundealer and explained him my "elevation problems".
I told him I found a dealer in the US who made "droop compensation" mounts and was planning to place an order. He listened and then started looking in old boxes. After a while a came up with a Hillver. It is adjustable for windage and elevation. It looks very solid: solid steel and it came with 1" rings. On the package was a label "Diana air rifle base" and it also has two vertical screws that lock in the holes of the diana base. It was very old (over 10 years he supposed) and was still carrying an old price tag: 1860BEF for the mount and 1800BEF for the rings.
I could get them complete for the price of the mount only (45euro). He told me Sako uses the same system and sells them for 300euro.
He said he once tested such a mount on a .338Lapua magnum with good results so he considered it strong enough for a 24 or 34.
I took it home, together with a new Bushnell Banner shotgun scope 1-4x32 (parallax at 50yds). At home I put it on my 24 and it seems to be easy to adjust as well as solid.
The thing I need now are some rats in the backyard...
CU
Joris
------
model 24 .22
model 27 .177
model 34 .22
Feinwerkbau LP65match .177
Weihrauch 97K .177
I just finished sighting in my Model 52. Been there, done that.
When I purchased the rifle from Straight Shooters, I was cautioned that all RWS airguns are built with barrell droop. I was skeptical. How could a quality fixed-barrell rifle be made with the barrell line-of-sight not parallel to the scope rail? I mean, that's the reason I bought a fixed-barrell instead of a break-barrell!
But the SS guys have a great reputation for being knowledgeable. So I took the precaution of buying the best available adjustable mount for this magnum springer. That's the B-Square model #17101 1-piece AA adjustable mount. You can see it at the SS web page: http://www.straightshooters.com/bsquare/b2aamnt.html.
There's also a nice article on using this particular mount to overcome the droop.
I had to unscrew the rear ring 3 full turns to get the proper tilt, but it works well. At 15M, the POI coincides with the crosshairs, and the scope turrets still have some adjustment room.
Without a doubt, the BSquare AA one-piece is probably the most adjustable mount there is, and when set up properly, they are quite stout.
But they require the patience of a saint to properly set them up. Each adjustment requires that you remove the scope, (8 screws) then loosen several tiny locking setscrews to make adjustments, then retignten the locking setscrews, then reinstall the scope in the rings. One nice feature of the AA mount is the self-aligning characteristic of the rings. They align themselves to the scope tube automatically, so you don't need to worry about ring marks from mis-alignment. I've had one on a Diana 34N for close to a year now, without any problems. I didn't bother to lock-tite all the adjustment screws, and so far its holding up fine.
Aside from the tedious setup, my only complaint is that the integral stop pin does not line up with any of the holes in the rail on my gun. I thought, with four stout clampning screws, I wouldn't need a stop pin, but I was wrong, and the mount started to walk. This forced me to "hang" the mount off the back of the rail a bit, in order to get the pin over a hole. Now only 3 of the 4 clamping screws are actually doing anything, but with the pin in a hole, it hasn't budged.
If I had it to do over again, I would investigate a custom drooped BKL 260 mount. I used to have a 260 on my R1, and it never moved, despite having no stop pin.
German Shooters like to keep an upright head position and they like using ironsights. In order for an airgun to hit dead on at 10 meters under this set of circumstances the barrels need to be drooped.
Diana listens to their customers, most of the time, when they speak German.
My 350 has no barrel droop and I have found that the newer models that are more geared towards scope mounting do not have appreciable barrel droop.
Talk to Tim, he is your best solution. BKL mounts, properly drooped are the strongest, surest, best, way to go.
) but I consider such a mount "a lot of hassle you shouldn't have to deal with".
