i think this is the right place for this to be posted. But i have mounted a riser and a new scope on my Colt Match Target Competition hbar ii. I took the handle off. here's the links to the base and scope that i installed. http://www.midwayusa.com/viewProduct/?productNumber=871193 http://www.midwayusa.com/viewProduct/?productNumber=695174 My shots are all over the place at 100 yards. I dunno why. Everything seems to be tight and well screwed down. What should i do. Just throw it away and start over? scott Wanna kill these ads? We can help!