I just joined this forum, but I have been around guns my whole life. I just recently purchased a Savage 11VT from Dick's in .243. I purchased it with the intent to change the barrel to an aftermarket 7mm-08 barrel. I removed the old barrel and started taking some numbers off the receiver to figure out what I want for go gauge protrusion once the barrel if fully chambered. Well, with the go gauge in the factory barrel, I get .1249" of protrusion. If I take my measurements, I get .109" of go gauge protrusion. Here is how I calculated it, maybe I'm doing something wrong. From the face of the receiver to the the bolt face I got a dimension of .797". From the face of the receiver to the front of the bolt I got a dimension of .688". If I minus .688" from .797" I get .109". I'm tempted to just go with the factory dimension of .1249", but would like to know what you guys think and If I'm doing something wrong to figure out go gauge protrusion.

Thanks,

Frank