Beretta 390 / 3901

The parts here are specific to both the Beretta 390 & 3901 shotgun models chambered in 12 or 20 gauge unless otherwise noted. MGW carries replacement stocks, forends, barrels, sights, trigger groups, pins and other parts for these models. Keep your semi-auto 390 or 3901 firing like new with OEM replacement parts and aftermarket upgrades.

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 305 - 320 of 378 results

Showing 305 - 320 of 378 results

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Beretta 390 Magazine Cap Tube, 12 ga.

Beretta 390 Magazine Cap Tube, 12 ga.

$40.95

Not Yet Rated

In Stock

Beretta 390/3901, 20 Gauge, Field Forearm, Satin

Beretta 390/3901, 20 Gauge, Field Forearm, Satin

$165.38

Not Yet Rated

In Stock

Universal Grip Cap Assembly

Universal Grip Cap Assembly

$26.25

2
Ratings Snapshot
4
out of 5
Would recommend this product.

In Stock

Beretta A300 / 390 / 391 Action Spring

Beretta A300 / 390 / 391 Action Spring

$8.48

10
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

Beretta 390 Trigger Plate, 12 Gauge

Beretta 390 Trigger Plate, 12 Gauge

$84.00

Not Yet Rated

In Stock

Beretta 390 Magazine Tube, 12 Gauge

Beretta 390 Magazine Tube, 12 Gauge

$61.95

Not Yet Rated

In Stock

Beretta 390 / 391 Stock Bolt Tube

Beretta 390 / 391 Stock Bolt Tube

$24.00

Not Yet Rated

In Stock

Beretta Sear Spring, 12/20/28 Gauge

Beretta Sear Spring, 12/20/28 Gauge

$5.25

2
Ratings Snapshot
4.5
out of 5
Would recommend this product.

In Stock

Beretta 390 Exhaust Valve, 12 and 20 Gauge

Beretta 390 Exhaust Valve, 12 and 20 Gauge

$15.75

8
Ratings Snapshot
5
out of 5
Would recommend this product.

Discontinued

Beretta Stock Bolt Washer

Beretta Stock Bolt Washer

$6.42

Not Yet Rated

In Stock

Beretta 390/391/303/ Browning B-80 Cocking Handle, 12/20 Gauge

Beretta 390/391/303/ Browning B-80 Cocking Handle, 12/20 Gauge

$30.19

9
Ratings Snapshot
4.667
out of 5
Would recommend this product.

Sold Out

Notify Me When Available

Beretta 300 Series/390/391/A300 Extractor Spring / 90 Series Pistol Safety Plunger Spring

Beretta 300 Series/390/391/A300 Extractor Spring / 90 Series Pistol Safety Plunger Spring

$7.88

2
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

Beretta 303/390/391/A300 Extractor Plunger, 12/20 GA.

Beretta 303/390/391/A300 Extractor Plunger, 12/20 GA.

$7.35

2
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

Beretta 300/390 Gas Piston Bushing Washer

Beretta 300/390 Gas Piston Bushing Washer

$7.35

2
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

Beretta 390 /300 Series / Browning B-80 Gas Piston Bushing, 12/20 Gauge

Beretta 390 /300 Series / Browning B-80 Gas Piston Bushing, 12/20 Gauge

$15.75

2
Ratings Snapshot
4.5
out of 5
Would recommend this product.

In Stock