I would agree to shoot whatever you can, I shot several 2011's before I made my mind up to buy one. I bought a STI 5" tactical and am leaving it alone because it is what I carry for duty, I am wanting to save up to have one built. If I am at a match you can give mine a try and see how a stock one shoots, then compare it to Chris Keen's and you could see the difference between a stock and cutomized one.