The components I have are listed above. AI says that the max barrel contour is 1.25" for that particular chassis. I put the caliper to the barrel and it read 1.255". Will this be a problem?? Also I've heard of people having to mill out some space where the trigger will go. Mostly Jewell's and Timneys. My guy doing it is a close personal friend and doesn't have access to a milling machine. What are you guys thoughts as to what I might need to make this build as easily done as possible. Thanks AS