I had a box of Federal Spitfire 22lr where the nose spun inside the case. I ended up shooting them anyway and I didn't have any problem. Accuracy wasn't great, but Spitfires are hyper velocity 22lr and they aren't known for exeptional accuracy in the first place.
Thanks for that, I did check some of the CCI that I have left and the noses were all tight.
I have never noticed lose noses before on .22's but in all honesty I don't think I have ever checked .22 before yesterday so dunno why I checked the Winchesters (never used them before, maybe that's why).