Beretta 391
The parts listed here are specific to the Beretta 391 shotgun model chambered in 12/20 gauge unless otherwise noted. MGW carries replacement stocks, forends, barrels, sights, recoil pads, choke tubes, trigger groups, pins and other parts for this model. Keep your semi-auto 391 firing like new with OEM replacement parts and aftermarket components.
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.


Beretta 391 2 Round Magazine Reducer Plug
$7.88
Sold Out

Beretta 303/390/391/A400/A300 Ultima, Browning B80 20GA Magazine Spring
$9.45
In Stock

Beretta Cartridge Latch / Magazine Cut-off Pin
$5.25
In Stock

Beretta Magazine Cutoff Spring
$5.25
In Stock

Beretta Magazine Cutoff Spring Pin
$5.25
In Stock

Beretta 391 Magazine Tube Cap, 20 Ga.
$51.17
In Stock

Beretta Magazine Reducer Retaining Washer, 12/20/28 Gauge
$5.25
In Stock

Beretta Magazine Tube Cap Plunger Container, 12 Gauge
$5.25
In Stock

Beretta 391/A400/A300 Magazine Tube Cap Retaining Plunger, 12/20 Gauge
$5.99
In Stock