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 Spare Part Kit for Semi-Auto Shotguns

Beretta Spare Part Kit for Semi-Auto Shotguns

$165.00

Not Yet Rated

In Stock

Beretta 390 Magazine Cap

Beretta 390 Magazine Cap

$37.38

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

In Stock

Beretta A300 / 390 / 391 Action Spring

Beretta A300 / 390 / 391 Action Spring

$20.48

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

In Stock

Beretta 300 Series/390/391 Left Brace

Beretta 300 Series/390/391 Left Brace

$12.02

Not Yet Rated

In Stock

Beretta 300 Series/390/391 Right Brace

Beretta 300 Series/390/391 Right Brace

$12.02

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

In Stock

Beretta 303/390/391 20ga Breech Bolt Slide

Beretta 303/390/391 20ga Breech Bolt Slide

$72.45

Not Yet Rated

In Stock

Beretta 390/391 Carrier, 20 Gauge

Beretta 390/391 Carrier, 20 Gauge

$33.55

Not Yet Rated

In Stock

Breech Bolt Slide 12 Gauge 300,301,302,303,304, 390,391

Breech Bolt Slide 12 Gauge 300,301,302,303,304, 390,391

$79.70

Not Yet Rated

In Stock

Beretta 390/391 12ga Carrier Assembly

Beretta 390/391 12ga Carrier Assembly

$46.11

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

In Stock

Beretta 300 Series/390/391 Carrier Spring

Beretta 300 Series/390/391 Carrier Spring

$6.30

Not Yet Rated

In Stock

Beretta 300 Series/390 Carrier Spring Guide

Beretta 300 Series/390 Carrier Spring Guide

$5.66

Not Yet Rated

In Stock