I was thinking about getting a nice little .22 that is in the M-4 design. I've thought it over and decided that I didn't an AR-15 Converted over to a .22 caliber but just a .22 caliber it's self. I was curious if anyone has had experiences with these designs and how well you believe they preformed. I'm looking forward to your guy's responses. I know Colt makes one but I'm looking for the best bang for the buck with this type of rifle.