I ordered one too, rec'd it yesterday. As expected it's a Chinese Diana 34 clone with a different trigger. It's made like an Umarex/Ruger so I imagine it's from the same factory. I like the looks of the stock, good shape, grain, color and checkering for a gun this cheap. Metal finish is rather rough and has a brown tint which I suppose is poor or incorrect bluing and a little rust mixed in?
The main seal was so dry (actually just very little of the incorrect WD40 type lube) that when cocking it made a terrible squeaking sound like wipers on a dry windshield. A couple drops of motor oil fixed that. After lube and ~30 shots the cocking effort measured a peak of 32lbs. Lots of friction so I suspect that to drop to 28 or so after a tune. The breech seal was sitting flush and thus leaked so a .010" Crosman shim fixed that.
Power was 13ftlbs with a variety of pellets... Obviously something wrong there so I took it apart. The most obvious problem was the main seal which is without question the worst I've ever seen! I have no ideal how they could damage a seal so badly, it's as if it was done on purpose because I can't see how this would happen by accident. Also the fit of the piston and sleeve to the spring was so tight that pulling the spring out brought the piston with it despite the strong resistance. Then it took 30+lbs force to pull the spring out of the piston which pulled the liner out with it. The piston, liner and spring are classic Chinese quality but should be fine after some work.
I always test the bore by pushing pellets thru by hand to check for roughness and tight spots. It had a tight spot about 2" down the bore which is typical, but so tight that after that the pellet fell via gravity to the next tight spot which was classic damage at the last couple mm of the muzzle.
Transfer port and breech surface are classic rough Chinese quality.
There is virtually no barrel droop but it does point off to the right due to sloppy machine work, which is the holes in the receiver for the barrel pivot are not true. This is basically impossible to correct without a milling machine and new custom pivot sleeve so it'll be a backyard repair/patch job and not ideal. The issue isn't that it points to the side, it's that the alignment between the ears and barrel block are not true which makes it very difficult to get a snug and true fit to hold the barrel in alignment shot to shot. Not unusual for a Chinese gun, just one of those things you have to deal with.
It's still apart to correct fatal flaws and tune, but will report results whenever I get around to finishing it.
The trigger is kinda cool but not as good as I hoped. A little work to improve the machine work has already made it better, but it needs some mods to get it as good as a T05 clone. So I think the trigger design is good, it just fell short due to cheaping out.
The trigger blade and sear is easy to get out, no need to remove the assy from the gun.
Basically it involves truing and sharpening the one stamped sear. There is also a sear adj screw with three lock washers, which I removed two to make trigger pull shorter, and I adjusted the spring tension down.
I also modded the safety which annoyed me but that's another story. To improve the trigger further will require more advanced mods but shouldn't be too hard.
So overall it's a bit out of the ordinary in the flaw dept, but not too bad and for $56 you can't complain. I would never consider shooting it as-is (at least not this one), but after a tune I think it'll ok. The barrel is a bit oversize so it may require oversize pellets, or it may be fubar which makes the gun as whole junk, time will tell...
Add: The scope is a typical 4x32 like the one that comes with a Ruger except it has no name on it, only "4x32".
The scope mounts are useless imo so plan on buying something like these:
http://tinyurl.com/q4gzars or
http://tinyurl.com/nonnze4
But know there there isn't a hole for the setscrew/stop pin so if they don't hold you will need to either drill a hole or mod the mount to grip better. The one-piece mount is the one to get if you need to do mods. Which I can explain if anyone needs.
The rail on the gun is rather rough and sharp so I imagine that greatly improves grip. Fyi...
