thunderstick, You're not alone in your Kimber being finicky with the supported barrel. Most smiths, when asked about a supported barrel for a 45 ACP in a 1911 will tell you that they actually feed better without. That's seems contrary, since most "modern" designs have ramped barrel and tend to be reliable. You don't really need to sell the gun. Just have some reliability work done to make the gun function properly. It sounds as though you might need to have a reamer run in the chamber to open it up a bit while you're at it. The gun can be reliable again.
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Don Williams www.theactionworks.com www.pickagripcom
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Don Williams www.theactionworks.com www.pickagripcom