The Model 1200 is a pump-action shotgun that was manufactured by the Winchester-Western Division of Olin Corporation, starting 1964.

A militarized version of the Model 1200 was acquired by the U.S. Army for use during the Vietnam War.

Repeating Arms Company became the manufacturer of Winchester firearms, production of the Model 1300 continued.

[8] In 2009, Fabrique Nationale d'Herstal (FN) commenced production of the Winchester SXP, based on the Model 1300.

[10] The Model 1200 was the second shotgun design to utilize a rotating bolt; the Armalite AR-17 being the first.

[11] The Model 1200 has a conventional under-barrel tubular magazine, loaded by pushing the trapdoor elevator (forward of the trigger guard) inward as rounds are fed in.

The magazine tube also serves as a guide for the pump handle and to secure the barrel.

[b] To operate, a cartridge from the loaded magazine is chambered by cycling the action (pumping rearward then forward).

A slide lock prevents the bolt carrier (and pump handle) from moving until either the trigger is pulled or an unlocking button (located to the left rear of the trigger guard) is depressed.

[20] The Winchester Defender was offered with an extended magazine capable of holding seven 2.75-inch (70 mm) shells.

The Ted Williams Model 200 was a rebadged version of the gun produced for Sears.

They have been offered with fixed choke (IC, M, F, Skeet and CB) or with Winchoke attachments.

Furniture material: Timber (walnut and other species on economy lines), laminated, composite or synthetic.

A small number of the Model 1200 were acquired by the United States Army in 1968 and 1969.

However, the Model 1200 remained in service and were used by National Guard units deployed to Iraq in 2003.

During the latter conflicts, some were retrofitted with folding stocks, making them more compatible with urban warfare.