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Military Firearm Restoration Corner

Anybody Recognize This Barrel?


Bob58

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What is the land and groove pattern?

If it's 4 then I think it more likely [military].

 

Tinker

 

4 grooves/lands with grooves about 3x width of lands. Any idea about country of origin? I'll need to try it out and see how it shoots. It's bright/sharp and looks new.

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Hmm. 7.7 is dang close to to 7.62. I chambered a spent 308 Win. case and placed a .308 bullet in the crown to test the bore size. That's how I "concluded(?)" it was 308Win- I could be wrong because that contour seems similar. I need to research and see what dimensions that Japanese round is.

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