He is an engineer with Coleman Chemical in Chicago. Bought himself a .4525 cylinder reamer to fix the RUGER PROBLEM and found a commonsense way of paying for the thing. For a very nominal fee, he reams other peoples .45 ruger chambers.
Let me tell you, he's for real and handles a cylinder throat reamer like- well, like an engineer. what kind of effect this will have on your ruger is a matter of pot luck but my cylinder came back with a read out showing the pre- reamed measurements to be .4505 on three chambers and .4500 on the other three. Now they are all .452. I shot the groups in the attached picture with250 Houston cast RNFP Cowboy bullets over 8.5 unique. A 945 fps load from this barrel. the immediate improvement I could see was that the rather odd long throated forcing cone in this barrel no longer fills up wiht blow by lead. the groups are about the best I can do and no doubt the revolver will do better.
Reach Bob at rmcleod17@attbi.com
Let me tell you, he's for real and handles a cylinder throat reamer like- well, like an engineer. what kind of effect this will have on your ruger is a matter of pot luck but my cylinder came back with a read out showing the pre- reamed measurements to be .4505 on three chambers and .4500 on the other three. Now they are all .452. I shot the groups in the attached picture with250 Houston cast RNFP Cowboy bullets over 8.5 unique. A 945 fps load from this barrel. the immediate improvement I could see was that the rather odd long throated forcing cone in this barrel no longer fills up wiht blow by lead. the groups are about the best I can do and no doubt the revolver will do better.
Reach Bob at rmcleod17@attbi.com
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