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 Magazine Cutoff Spring

Beretta Magazine Cutoff Spring

$5.25

1
Ratings Snapshot
3
out of 5
Would recommend this product.

In Stock

Beretta Magazine Cutoff Spring Pin

Beretta Magazine Cutoff Spring Pin

$5.25

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

In Stock

Beretta 390 12GA Operating Rod Assembly

Beretta 390 12GA Operating Rod Assembly

$78.75

Not Yet Rated

In Stock

Beretta 390 Piston, 12 Gauge

Beretta 390 Piston, 12 Gauge

$51.45

Not Yet Rated

In Stock

Beretta 390 /300 Series / Browning B-80 Gas Piston Bushing, 12/20 Gauge

Beretta 390 /300 Series / Browning B-80 Gas Piston Bushing, 12/20 Gauge

$15.75

2
Ratings Snapshot
4.5
out of 5
Would recommend this product.

Sold Out

Notify Me When Available

Beretta 390/303 Browning B-80 Piston Bushing Snap Ring

Beretta 390/303 Browning B-80 Piston Bushing Snap Ring

$7.35

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

In Stock

Beretta 300/390 Gas Piston Bushing Washer

Beretta 300/390 Gas Piston Bushing Washer

$7.35

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

In Stock

Beretta 390 Recoil Spring Cap

Beretta 390 Recoil Spring Cap

$22.05

Not Yet Rated

In Stock

Beretta 300 Series/390 Recoil Spring Guide, 12/20 Gauge

Beretta 300 Series/390 Recoil Spring Guide, 12/20 Gauge

$23.10

Not Yet Rated

In Stock

Beretta 300 Series/390 Spring Guide Swivel Joint

Beretta 300 Series/390 Spring Guide Swivel Joint

$8.99

Not Yet Rated

In Stock

Beretta Recoil Spring Guide, 12/20GA AL390, 391

Beretta Recoil Spring Guide, 12/20GA AL390, 391

$8.00

Not Yet Rated

Discontinued

Beretta 300 Series / 390 / 391 / 9000S Safety Spring

Beretta 300 Series / 390 / 391 / 9000S Safety Spring

$5.25

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

In Stock

Beretta 300 Series/390 Safety Spring Plunger

Beretta 300 Series/390 Safety Spring Plunger

$5.25

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

In Stock

Beretta Sear Spring, 12/20/28 Gauge

Beretta Sear Spring, 12/20/28 Gauge

$5.25

2
Ratings Snapshot
4.5
out of 5
Would recommend this product.

In Stock

Beretta 300 Series/390 12/20GA Sear

Beretta 300 Series/390 12/20GA Sear

$21.19

Not Yet Rated

In Stock

Beretta Sear Plunger

Beretta Sear Plunger

$6.30

Not Yet Rated

In Stock