I have one of many North American Derringer revolvers and this only happens frequently with the .22LR, the spend casings are obviously stuck to the cylinder, but the challenge is how to remove them without damaging the interior of the cylinder and not having to use the cylinder pin assembly all the time. I am sure the cylinder pin assembly is not meant for that purpose, although it works like a charm, but a new one is $50, and I don't feel like damaging it. Is there an alternative method or an alternative tool that one may suggest. I tried using a qtip, but its too weak at the stem and bends without taking out the spent shell. A friend of mine recommended dental implements such as plastic tooth picks, but I've found that they can scratch the interior of the cylinder as well, any suggestions before I email North American and ask. I don't want to seem like a fool., but I think its a fair question. Your thoughts? Here is a photo of the revolver.