Well so much for that.....You still don't get it do you....it is not proper for the ammo you used, in this case 22 long.
Now I don't know the SR22 I do not own one, but I can tell you on the side of my "ancient" Remington 552 says 22 short-long-longrifle S-R-LR. So the gun is designed to chamber those rounds. To tell the truth on the three "ancient" rifles I really don't know if they are marked, I doubt the polish and german old are marked bet that old winchester is, might look.
In looking at rugers web page it says....caliber 22LR. It says the gun uses a 22LR caliber round, you did not follow directions by shooting something not stated. Now if the gun says on the side it will shoot all I will gladly retract my post, and issue a public apology, I don't know, I am just going off rugers web site, you own the weapon I do not. But going off rugers site and it saying 22LR....welp.
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Now they don't make the 552 anymore, so I had to hit other sites, at this point if I was home I would take a pic of the guns markings where it says what it chambers, you know to beat that dead horse a little harder, the thing we are all told, and tell noobs all the time, shoot what is written on the side of the gun. Sure a 50BMG will fit in a shot gun but I don't think it is a real good idea.
Here is what I found on the 552
I think I am done here, not sure but is it something like lead a horse to water kind of thing.