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Yes, try some good ammo.
Also check if your barrel seal is standing proud of/protruding the breech surface?
If not sufficiently you need to shim the breech seal.

What do you mean with "won't fire a pellet"?
The pellet stays at the breech end where you put it in the barrel?
Weird, if the piston moves forward the air has to go somewhere, even a breech seal that is seated too deep
should still seal of that much that the pellet gets out of the barrel one would think.

If all else fails I will take it off your hands at a fair price :) My daughter is soon outgrowing her model 23
and I would be in for a challenge.

Is it new from a store? If so have it replaced by the store if possible.
 
Hi thanks for the reply. Yes I mean the pellet stays in the breech. Although that hasn’t happened since I ran a very light smear of Vaseline around the seal. Yes the seal sits proud. Inaccurate - it should cluster in a inch or two at the most at 10 - 12 yds and its more like 6”. And, it’s low and left and I cannot adjust it up with the rear elev sight. I can raise that thing until the screw comes out and the impact point don’t move.
I’ve ordered a few different brands of pellets off amazon see how that goes. It has to be the ammo I’m thinking as nothing else makes any sense. I have a chi piece of kak which is way more accurate than this quality gun.
Thanks for the reply again

Nick
 
Inch or two ? Mine shoots a tight cloverleaf at 20 yards rested. Something's definitely messed up. Mine doesn't like Crosmans either. Too tight, but they leave the barrel. If H&N or JSB don't shoot accurately, something's wrong.
 
I would open it up and look inside. Could be a bad seal or broken spring.
Parts area available, so not a big deal, just a bummer.
 
And the muzzle crown is clean, no damage there? Such wild inaccuracy seems more likely owing to a crown defect than cheap pellets. I'd expect Crosman pellets to offer maybe 50% larger groups than JSB, but nowhere nearly so extremely bad as you're reporting.
 
I have a RWS34 /.22 that sprayed the target until I had it re-crowned and put a tuning kit in it now cloverleafs.Some are pellet sensitive.Polishing the internal compression tube smooths things out from the rough machining marks worse of Turk or Chi-Com guns.
 
I have a brand new 24 T-05 out of the box. Does not like Crossman pellets but improved a bit with Meisterkugeln's.

The issue with the gun I have is the rear sight needs to be hard left to hit anything where you aim it.

edit...

just noticed the plastic front sight assembly is locked to the barrel with a set screw. I can loosen the screw and rotate the front sight right, that ought to put the rear back at centre.....
 
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I'm guessing you didn't buy it new from a retailer?

If it's hitting low you need a lower front sight..... unless that's what the orca dorsal means? :)

How are you resting the gun? Artillery hold? Have you shot many springers?

The pellet randomly not leaving the breech is bizarre...... I would say you are getting inconsistent velocity to say the least!

It's pretty hard to imagine pellets are the problem.
 
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Unlikely a finger would feel any defect. Anything harmful to the pellet's accurate progress is likely to be just shy of the outward face, where it can grab one edge and tilt the pellet as it exits. A cotton swab can sometimes show up such flaws, ifnone carefully pulls it out of the bore going around the crown and watching for captured bits of fluff. Another method is to push a pellet through from the breech with a cleaning rod then checking the pellet for any irregular cuts.
 
Can-down said:
Was the front sight leaning before you adjusted it or is it leaning now that you've adjusted it?
Click to expand...

It was very hard to tell if there was a lean (and still is). The amount I needed to move it was less than 1/4 the width of the set screw. The front sight sits very high, about an inch over the bore, so it does not take much.
 
Paul_T said:
It was very hard to tell if there was a lean (and still is). The amount I needed to move it was less than 1/4 the width of the set screw. The front sight sits very high, about an inch over the bore, so it does not take much.
Click to expand...


That's good, canted front sights are annoying.... :)

It sure sounds like Diana's quality control has gone down hill.
 
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