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 273 - 288 of 347 results
Showing 273 - 288 of 347 results


Winchester Model 12 20GA Barrel Chamber Ring
$35.95
In Stock

Winchester Model 12 Adjusting Sleeve Lock Screw All Gauges
$5.95
Sold Out

Winchester Model 12 Magazine Tube Plug Screw All Gauges
$7.95
Sold Out

Winchester Model 12 Magazine Band Bushing Screw
$7.95
In Stock

Winchester Model 12 Trigger Guard Screw All Gauges
$5.18
In Stock

Winchester Model 12 Firing Pin 12 Gauge
$23.95
Sold Out

Winchester Model 12 Right Hand Extractor Spring All Gauges
$4.98
In Stock

Winchester Model 12 Firing Pin 16-20-28 Gauge
$24.95
Sold Out

Browning / Winchester Model 12, Model 42, and Model 52 Grip Cap Screw
$6.05
In Stock