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Barrel Trunnion Survey - Further Analysis

600 Views 0 Replies 1 Participant Last post by  r.erichsen
For any of you folks who haven't wandered into the reference area, we've made headway on the barrel trunnion survey. See the Photobucket links in the MilitaryFirearm URL for the images and hardness identified by the hardness tester, some interesting findings on heat treatment and some dimensional analysis that has turned up some interesting results.
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