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 289 - 304 of 378 results
Showing 289 - 304 of 378 results


Beretta 390/391 12ga Carrier Assembly
$63.99
Sold Out

Beretta 303/390 Trigger Plate Retaining Pin 12ga.
$9.45
Sold Out

Beretta 300 Series/390/391/A300 Cocking Handle Plunger Pin / 90 Series Pistol Firing Pin Catch Pin
$5.00
In Stock

Beretta 300 Series / B-80 20 Ga. Magazine Tube Plug
$12.89
In Stock

Ballistic Specialties Beretta Trigger Shoe
$25.00

Beretta 300 Series B-80 12 Ga. Magazine Tube Plug
$12.89
In Stock