A punch mark at 12 o'clock on the crown. This barrel is mounted in a Rock Island Arsenal receiver SN 39X,XXX. Any ideas about the significance? --TIA
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A punch mark at 12 o'clock on the crown. This barrel is mounted in a Rock Island Arsenal receiver SN 39X,XXX. Any ideas about the significance? --TIA
Boy. No idea. Bayonet practice on a hot Ft. Benning afternoon? No idea.
looks like a dinger to me.
I believe that it is a purposeful punch mark. It is centered on the crown, and regular in shape.
Maybe a local armorer or field depot variation of a maintenance or check-test barrel gauging? Size looks like punch normally found in ordnance bomb or on receiver (right chamber flat)?
looks like punch mark for sure,, not sure that they would upset a muzzle, but wilder things have happened.
That looks to be a very old and very sorry way of adjusting point of impact by distorting the crown. Some times you will find an old arm that will have as many as four punch marks in a row at the crown. As said very poor way to regulate a barrel. Sometimes the marks look like … or – or _ or ) all depends on the punch. You can also find re-strikes. The first did not move the bullet enough so they strike deeper.
On a high no RIA rec. with an original 1928 SA barrel It is also in exactly the 12 O clock position like yours. Maybe a RIA trait. Truman