12

The Winchester Model 12 is a slide action (pump) shotgun. It is fed by a tubular magazine.

related:

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gunsmithing notes:

      • The Winchester Model 12 in 12 gauge will take 2 3/4″ shotshells regardless of manufacture date.1
      • The Winchester Model 12 Heavy Duck version (barrel inscribed “3” Super-X”) in 12 gauge will take a 3″ shotshell.2
      • The Winchester Model 12 in 16 gauge manufactured before 1927 will take 2 9/16″ shotshells.3
      • The Winchester Model 12 in 16 gauge manufactured in 1927 or later will take 2 3/4″ shotshells.4
      • The Winchester Model 12 in 20 gauge manufactured before 1925 will take 2 1/2″ shotshells.5
      • The Winchester Model 12 in 20 gauge manufactured in 1925 or later will take 2 3/4″ shotshells.6
      • The Winchester Model 12 in 28 gauge was manufactured to take 2 7/8″ shotshells, but the chambering for 2 1/2″ shotshells was available by special order.7
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footnotes/sources:

  1. Hugh, and Paul Mazan. “American Gunsmith.” Feb. 2018.
  2. Hugh, and Paul Mazan. “American Gunsmith.” Feb. 2018.
  3. Hugh, and Paul Mazan. “American Gunsmith.” Feb. 2018.
  4. Hugh, and Paul Mazan. “American Gunsmith.” Feb. 2018.
  5. Hugh, and Paul Mazan. “American Gunsmith.” Feb. 2018.
  6. Hugh, and Paul Mazan. “American Gunsmith.” Feb. 2018.
  7. Hugh, and Paul Mazan. “American Gunsmith.” Feb. 2018.