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Woody402
PostPosted: Sun Aug 13, 2017 4:12 am  Reply with quote



Joined: 25 Aug 2014
Posts: 169
Location: Finger Lakes

At what serial number did Winchester start to chamber there 16 ga. guns for 2 3/4" shells. Are all 2 3/4" guns marked 2 3/4"? I've been looking at a few and want to stay away from a short chamber gun. I know just load 2 1/2" shells or have the chamber lengthened. I do but I mainly load 2 3/4" shells and want to shoot them.
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gunut
PostPosted: Sun Aug 13, 2017 6:14 am  Reply with quote



Joined: 05 Nov 2005
Posts: 195
Location: Sussex Wisconsin

they started in 27 or so.....original 2 3/4in guns will be marked on the barrel and until the mid/late 30s also marked by the serial numbers.....

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Flues16
PostPosted: Sun Aug 13, 2017 1:48 pm  Reply with quote
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Joined: 07 Jan 2013
Posts: 329
Location: Virginia

You should also be aware that many pre-1927 16ga guns that were made with short chambers (2 9/16") have been converted to handle 2 3/4" shells. I have a vintage-1919 Model 12 that was converted and it works fine.

Conversions were done either by the Winchester factory or a gunsmith. The original shell openings on the old guns was increased from 2 7/16" to 2 1/2" and the lower front radius of the opening was increased from 1/4" to 3/8". And, of course, the chamber was reamed out to 2 3/4". (Source: "The Winchester Model Twelve" by George Madis)

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