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.

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Beretta 390 20GA Exhaust Valve Spring

Beretta 390 20GA Exhaust Valve Spring

$12.50

Not Yet Rated

Discontinued

Beretta 300 Series and 390 Forend Cover Screw Washer

Beretta 300 Series and 390 Forend Cover Screw Washer

$5.25

Not Yet Rated

In Stock

Beretta 300 Series and 390 12GA Forend Cover

Beretta 300 Series and 390 12GA Forend Cover

$8.40

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

In Stock

Beretta 300 Series/390 Forend Cover Screw

Beretta 300 Series/390 Forend Cover Screw

$5.79

Not Yet Rated

In Stock

Beretta 390 Forend Flange 12 & 20 ga.
Beretta 303/390/391/A300 Firing Pin Spring

Beretta 303/390/391/A300 Firing Pin Spring

$7.88

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

In Stock

Beretta 303/390/391/A300 Ultima 20ga Firing Pin

Beretta 303/390/391/A300 Ultima 20ga Firing Pin

$25.20

Not Yet Rated

In Stock

Beretta 390/391/303/A300 Outlander & Ultima, Browning B-80 12 GA. Firing Pin

Beretta 390/391/303/A300 Outlander & Ultima, Browning B-80 12 GA. Firing Pin

$18.20

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

In Stock

Beretta 303/390/391/A300 Outlander & Ultima 12GA Firing Pin Retaining Pin
Beretta 303/390/391/A300 Ultima 20GA Firing Pin Retaining Pin

Beretta 303/390/391/A300 Ultima 20GA Firing Pin Retaining Pin

$5.25

Not Yet Rated

In Stock

Beretta 303/390/391 20GA Hammer Assembly

Beretta 303/390/391 20GA Hammer Assembly

$11.87

Not Yet Rated

In Stock

Beretta 300 Series/390 Hammer Spring Guide

Beretta 300 Series/390 Hammer Spring Guide

$8.40

1
Ratings Snapshot
4
out of 5
Would recommend this product.

In Stock

Beretta 390/391/303 Hammer Spring

Beretta 390/391/303 Hammer Spring

$6.04

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

In Stock

Beretta 390/391/303 Hammer Assembly 12GA

Beretta 390/391/303 Hammer Assembly 12GA

$23.10

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

In Stock