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Barrel stamping model 12
December 1, 2019
1:50 pm
WACA Member
Forum Posts: 135
Member Since:
May 26, 2017
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Would it be common for a 1925 20 gauge model twelve to not have the shell size stamped on the barrel. Would the fact that the gun is a black diamond make any difference in that?

December 1, 2019
8:07 pm
Kingston, WA
Forum Posts: 9667
Member Since:
April 15, 2005
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In answer to your first question, the answer is Yes.  Winchester did not stamp the chamber length on the barrels until 1927 when they made the change from a 2-½" chamber length to the longer 2-¾" length.  When Winchester first made the change (in late 1926), the chamber length was stamped on the bottom of the receiver frame under the serial number and just above the loading port.  It was shortly thereafter move to the barrel.  In answer to your second question, No, it would not make any difference.


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WACA 6571L, Historian & Board of Director Member

December 2, 2019
1:43 am
WACA Member
Forum Posts: 135
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May 26, 2017
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Thanks Bert.

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