I just visited the Mcgowan web site and they list .237 as the bore diameter. Follow this link;Originally Posted by claysshotgunner
http://www.mcgowenbarrel.com/catalog2.htm
I just visited the Mcgowan web site and they list .237 as the bore diameter. Follow this link;Originally Posted by claysshotgunner
http://www.mcgowenbarrel.com/catalog2.htm
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