Beretta 300 Series (Older Model 301, 302, 303 & 304)
Parts here are specific to Beretta 300 Series 12/20 gauge shotguns unless otherwise noted. MGW carries replacement barrels, forearms, stocks, sights, springs, pins and other parts for this series which includes older 301, 302, 303 & 304 models. These factory original and aftermarket parts will ensure that your 300 Series shotgun functions flawlessly with every trigger pull.
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 390 /300 Series / Browning B-80 Gas Piston Bushing, 12/20 Gauge
$15.75
Sold Out
Beretta 300 Series/390/391 Hammer Spring Guide Plunger
$4.20
In Stock
Beretta 390/391/303 Hammer Spring
$6.04
In Stock
Beretta 300 Series/390 Hammer Spring Guide
$8.40
In Stock
Beretta 390/391/303 Hammer Assembly 12GA
$23.10
In Stock
Beretta 390/301/302/303 Mag. Tube Cap Spring
$11.03
In Stock
Beretta Cartridge Latch / Magazine Cut-off Pin
$5.25
In Stock
Beretta 300 Series B-80 12 Ga. Magazine Tube Plug
$12.89
In Stock
Beretta 300 Series / B-80 20 Ga. Magazine Tube Plug
$12.89
In Stock