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 33 - 48 of 351 results
Showing 33 - 48 of 351 results


Jebs Headhunter Turkey Choke, 20ga. Browning/Winchester Invector, Matte Finish .560
$79.99
In Stock

Browning Standard Invector 28 Gauge Diamond Grade Extended Choke Tubes
$84.00

Pachmayr F325 Deluxe Shotgun & Rifle 1" Pad, Black, Small
$26.99
In Stock

Pachmayr F325 Deluxe Shotgun & Rifle 1" Pad, Brown, Small
$26.99
In Stock

Pachmayr F325 Deluxe Shotgun & Rifle 1.1" Pad, Black, Medium
$27.99
In Stock

Pachmayr F325 Deluxe Shotgun & Rifle 1.1" Pad, Brown, Medium
$26.99
In Stock

Carlsons Tactical Breacher Choke, 12ga. Browning/Winchester Invector, & Mossberg 500
$67.99
In Stock

HI VIZ H3 Compsight Tritium/Fiber Optic Shotgun Front Sight
$42.95
In Stock