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.

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Browning / Winchester Model 12  Action Slide Sleeve/Bar Assembly 20-28 Ga.
Browning / Winchester Model 12 Slide Bar Tube 20-28 Ga.

Browning / Winchester Model 12 Slide Bar Tube 20-28 Ga.

$72.45

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Browning / Winchester Model 12 Action Slide Bar 20-28 Ga.

Browning / Winchester Model 12 Action Slide Bar 20-28 Ga.

$10.50

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Browning / Winchester Model 12  Action Slide Spring Stop Ring 16-28 Ga.
Browning / Winchester Model 12 Action Slide Lock 20-28 Ga.

Browning / Winchester Model 12 Action Slide Lock 20-28 Ga.

$52.50

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In Stock

Browning / Winchester Model 12 Action Slide Lock Pivot 20-28 Ga.

Browning / Winchester Model 12 Action Slide Lock Pivot 20-28 Ga.

$6.04

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Browning / Winchester Model 12  Action Slide Lock Spring Over 16-28 Ga.
Browning / Winchester Model 12 Action Slide Lock Spring Under 16-28 Ga.
Browning / Winchester Model 12 Action Slide Sleeve Screw Cap 16-28 Ga.

Browning / Winchester Model 12 Action Slide Sleeve Screw Cap 16-28 Ga.

$20.82

1
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

Winchester Model 12 Action Slide Spring 12 Gauge Only

Winchester Model 12 Action Slide Spring 12 Gauge Only

$9.95

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Browning / Winchester Model 12 Action Slide Spring 16-28 Ga.

Browning / Winchester Model 12 Action Slide Spring 16-28 Ga.

$9.20

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Browning / Winchester Model 12 Adjusting Sleeve 20-28 Ga.

Browning / Winchester Model 12 Adjusting Sleeve 20-28 Ga.

$22.94

1
Ratings Snapshot
1
out of 5
Would recommend this product.

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.

Winchester Model 12 Adjusting Sleeve Lock

Winchester Model 12 Adjusting Sleeve Lock

$5.75

Not Yet Rated

In Stock

Winchester Model 12 Adjusting Sleeve Lock Screw All Gauges

Winchester Model 12 Adjusting Sleeve Lock Screw All Gauges

$5.95

3
Ratings Snapshot
4.667
out of 5
Would recommend this product.

Sold Out

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Browning / Winchester Adjusting Sleeve Lock Screw 20-28 Ga.

Browning / Winchester Adjusting Sleeve Lock Screw 20-28 Ga.

$5.75

1
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock