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Old 03-29-2020, 07:42 AM
Pioneer2 Pioneer2 is offline
 
Join Date: Jan 2008
Posts: 4,333
Default bore size

The early ones were .311 that were sent for army trials according to Ken Waters . He never saw one but the commercial ones may have all been .308 after the military gun was rejected.Should all be 1-10" twist for the 190gr offering.He has this same thread with lots of answer in CGN's.
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