George, How much is it to change either the bolt action or automatic from 7.5 to 7.62. I've done the gas block adjuster and after doing that as simple as it was I wonder how much difference there really is between the two. At the price difference the obviously don't take the whole gun down for a ream and rebore. What are your thoughts? Something that can be done in a modest shop? I love the guns but hate the 7.5. MIke Root