Well yes, Sliver, there are several problems with that. Where to start? First off the reamer. I don't imagine you intend to get a set of reamers made up to your exact requirements so that leaves an adjustable one. A lot of 'em are pure crap. Lets suppose you get a good one, you then have to make up a shaft with appropriate size guides to hold said reamer securely. I know that you had to straighten the barrels of your gun but are they perfectly straight? Just sliding your reamer and shaft down the bore can leave scars that you will then have to polish out. Ask me how I know. Do you have access to a lathe? I'm not saying you won't be able to do it. I am saying that this job can turn into a disaster real quick. When you add up the cost of tooling required, stuff you may never use again, and compare that to the cost of sending the barrels to Mike Orlen there's no contest. He has the gear and experience. Opening chokes is a very simple process for someone with a long bed lathe and the knowhow but even with the knowhow but without the lathe can be something you'll wish you'd never gotten into.
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