Browning Double Automatic Shotgun

The Browning Double Automatic Shotgun is a short-recoil operated[2] semi-automatic (auto-loading) 12-gauge shotgun with a 2+3⁄4-inch chamber. The firearm was produced between 1952 and 1971, with production volume of approximately 67,000. Production date ammended from 1955 to 1952 according to direct information from manufacturer.

Browning Double Automatic
TypeShotgun
Production history
DesignerVal A. Browning
ManufacturerBrowning Arms
Fabrique Nationale
Produced1955–1971
Specifications
Mass7 lbs 11 oz (standard)
6 lbs 14 oz (twelvette)
6 lbs (twentyweight)[1]
Caliber12 gauge
ActionSemi-automatic
Feed systemOne shell chambered plus one shell in loading port

Description

All Double Automatic shotguns are 12 gauge. Various configurations were available for choke, barrel length, and barrel type.

The Double Automatic was offered in both aluminum and steel receiver configurations,[3] with the aluminum receivers featuring a variety of finish colors.[4] The three versions offered include the Standard as the only steel receiver version, while Twelvette and Twentyweight used an aluminum receiver.

Action

This firearm features a unique loading port on the left side of the receiver.[5] As the first round is loaded, the shell is lifted by a mechanism and chambered by the bolt; once the bolt is closed, the lifting mechanism returns to the resting position below the loading port, where the next round can then be loaded. Upon firing the chambered round, the shell in the loading port is automatically chambered. The total capacity is two shells: one chambered round and one round in the loading port.

Markings

The Double Automatic shotgun has engravings on the left-rear of the barrel. Chokes are designated as:

* Full choke, *- Improved Modified, ** Modified, **- Improved cylinder, **$ skeet, *** full bore

References
  1. "Browning Twelvette (Double Auto)" (PDF). bondbywater.co.uk.
  2. "Semi-Auto Shotguns". Chuckhawks.com. Retrieved 2013-05-25.
  3. "Browning Date Your Firearm - Double Automatic Shotgun". Browning.com. Archived from the original on 2013-06-13. Retrieved 2013-05-25.
  4. "The Gun That Receives Unstinted Praise From Its Severest Critics" (PDF). Guns. October 1959. p. 3. Archived from the original (PDF) on May 5, 2012 – via Wayback Machine.
  5. "• View topic - Original Browning Double Auto Article!". Shotgunworld.com. Retrieved 2013-05-25.


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