Hi mr.pitiful,
To answer your question: yes, a high-cut trigger guard will give you a higher grip on your officers model, when I high-cut them I can fit my whole hand on the frontstrap, i.e. my little finger doesn't hang off the bottom of the grip. I DO NOT cut them higher than the Colt E- models, they leave approximately .060 to the trigger track, (get back with me if you want to know how to properly measure it) my cutter follows the true radius of the frontstrap, it removes more metal and gives a little bit of a higher grip then the Colt, Colt just lays the frame flat on the table and plunges a end mill, but any metal remove on a officers will help.
And Chuck is right, 70 bux does sound to cheap cuz it's a lot of work done properly, but if you know him well and are pleased, he's giving you a good deal and deserves a little extra! Pete
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Metal Smith
The only thing I know for sure is what I can measure!
NRA Life Member