I took 2 AR15-22 types and a STG44 22 to the range today. Shot each one about 100 rounds, and I defy anyone to tell which group came from which gun. All three were very accurate. I had one failure to feed in all that shooting, and it was the very first shot attempted. Most likely a magazine issue from a full mag. Keep them clear and use quality ammunition, and you will be very satisfied with your choice regardless of which one you select.
Life member NRA