This is my daughters .177 HW30k.
Another member from here very kindly sorted it for her - It had a full strip, deburr, polish and regrease. He removed a couple of coils from the spring to make it easier to cock (spaghetti arms) and, completely sorted the galling issue.
Now, it's an absolute joy to use.
The only trouble is, she much prefers her PCP. She does still uses this but, only very occasionally.
Anyway, today I gave it a go at 25yrds indoors with some JSB RS, off my knee. After a few test shots, I did a 10 shot group.....
I'm thinking this could be a very capable, lig