I must have gotten the only good Evolutions made. H9 PTS mustang - .45 Evolution, H9 Texan .61 Evolution, H9 Twist .61 Evoultion, H9 Corsair .61 Evolution, 4 Star 40 .46 Evolution, Eagle 2 .46 Evolution & everyone of them are Great. Not that I don't like others because I have them to I just have had really good luck with the Evolution Brand. I will say the .455 did throw the rod but they fixed it no questions ask & has been running Great since.