I clean exactly as you do between shots. The first shot or two out of my gun is a little high and right. The next shots of course are low and left but group tightly. It seems from anecdotal evidence that is is somewhat common for the gun to shoot a little differently on a cold barrel. Now if you aren't grouping, that probably has more to do with the powder/bullet combination. My Knight is grouping excellent, my TC less so. But I am using the same bullets and powder in both. I need to try some different combinations on the TC to find what works best.