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Old September 17, 2013, 01:35 AM   #8
James K
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Join Date: March 17, 1999
Posts: 24,383
It might look like a bomb but maybe more like a tiny ring with spikes, not like the better known "flaming bomb" mark. If it is there, it would indicate a star gauged barrel. The reason I asked was that I was wondering about that number part way up the barrel, which could have been a star gauge number. But I don't think RIA ever did star gauging, and would not have done it in wartime.

(A star gauge was an instrument made to take precise measurements of the inside of barrels, especially those destined for national match and other target rifles. Those barrels that had been measured and met a high standard were marked with a number and a "star" mark on the muzzle.)

Jim
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