Winchester Model 12

Parts listed here are deigned for Winchester Model 12 pump action shotgun models chambered in 12/16/20/28 gauge unless noted otherwise. MGW carries replacement stocks, forearms, magazine assemblies, butt plates, sights, choke tubes, trigger guards, action assemblies and other small parts for this firearm. Service your Winchester Model 12 with quality OEM and aftermarket parts/components to ensure solid performance in every pump.

The schematic may not represent all the parts available - please scroll down for a complete list of items offered for this model.

Click on any part number highlighted in RED to view specific details or to purchase online.
It is recommended that all parts be fit by a qualified gunsmith.

Showing 65 - 80 of 351 results

Showing 65 - 80 of 351 results

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Winchester Model 12 Straight Groove Receiver Rib

Winchester Model 12 Straight Groove Receiver Rib

$36.75

Not Yet Rated

In Stock

Winchester Model 12 Standard Receiver Rib

Winchester Model 12 Standard Receiver Rib

$36.75

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In Stock

Winchester Model 12 Breech Bolt, Duck, 12 Ga.

Winchester Model 12 Breech Bolt, Duck, 12 Ga.

$173.25

Not Yet Rated

In Stock

Winchester Model 12 Bolt, Square Face, 12 Ga.

Winchester Model 12 Bolt, Square Face, 12 Ga.

$173.25

Not Yet Rated

In Stock

Winchester Model 12 Breech Bolt, 12 Ga.

Winchester Model 12 Breech Bolt, 12 Ga.

$173.25

Not Yet Rated

In Stock

Winchester Model 12 Adjusting Sleeve "A", 12 Ga.

Winchester Model 12 Adjusting Sleeve "A", 12 Ga.

$31.50

Not Yet Rated

In Stock

This product is only available if you send your firearm to Midwest Gun Works for repair.

For information on sending your firearm to have this part installed please download our Repair Form.