Naw, it was my fault. I just handload .223 at home, and when you said it looks like a .22, I had to say it is in concern to bullet diameter. Yes, the barrel is too thin, here is a ref: http://www.pixagogo.com/Photos/Albums/Photo.aspx?id=S45oD4!FJhxJV3qu6TZ7r8UWkXIfonf!7vMwJxlJntGr7UaiLtJx8l-Ps4xa!e5!fp…