Air Arms S510 Extra, Walnut.
We are isolated from other airgunners and reliant on reading reviews and online consultation. I bought the S510, on that basis, having never even seen an Air Arms product, let alone the S510.
It is very accurate, has given almost no trouble, but I just don't like it. Why? It's bulky and heavy, compared to my two FX Streamlines, or FX DRS, about the same as my Kral Mega. It's more accurate than the Kral and about the same as the Streamlines. The DRS is a bit better.
What I dislike: The bloody magazine goes in from the wrong (left side), which I hate, really hate, especially because it doesn't allow me to use a parallax wheel.
The magazine's automatic advance and the chinsy spring clip (that in fairness hasn't broken), Magazine is harder to load than my preferred magazines, and lacks a stop when empty. That means that when I'm concentrating, I often fire on an empty chamber.
If the magazine is loaded, and left indexed the last pellet falls out if the magazine is turned onto its side. Hate that. The way to avoid that is to place the cassette out of time, but that's a PITA if one forgets to reindex because it won't feed the pellet. Hate that.
The fill system is a Rube Goldberg, bulky "hat" thing that goes over the end of the reservoir, rather than a probe like most guns. It leaks, even with thicker "O rings" unless it's played with to find a no leak position. Hate the system. Yes, I can buy a conversion but no stock in Canada and shouldn't have to.
The vented "puff" from the action end of the shroud was distracting but ignored now.
The cocking lever end hurts my fingers after a while, but OK now that I bought a toggle to convert it.
It sits in the rack at the range and I have to push myself to take it out, rather than to shoot my FXs.
Will I keep it? Depends on the day, but it has a nice finish, shoots well attractive, so...?
Are any of the above a problem for another person? Likely not at all.
It's just why I regret this one.