| Beretta Semi-Auto Shotgun Spare Part Kit Includes: |
| C50581 – Connecting Rod 303/390/391 12GA |
C58970 – Piston Bushing 391 12/20GA – Qty. 2 |
| C50737 – Right Brace 303/390/391- Qty. 3 |
C58984 – Trigger Plate Ret. Pin 391 12GA – Qty. 2 |
| C50738 – Left Brace 303/390/391 – Qty. 3 |
C71020 – Hammer Assy. 303/390/391 12GA |
| C50751 – Piston Bushing 303 – Qty. 5 |
C79043 – Forend Cap w/Swivel A-300/301/302/303/304 |
| C52238 – Extractor 303/390/391 12GA |
C80675 – Hammer Assy. Bushing 390 12GA |
| C52928 – Ejector Spring Guide 390/391 |
C90030 – Hammer Spring 303/390/391 |
| C53564 – Piston Bushing Washer 390 12/20GA – Qty. 2 |
C90138 – Extractor Spring 303/390/391 |
| C53665 – Piston Bushing 390 – Qty. 2 |
C90148 – Firing Pin Spring 303/390/391 Qty. 2 |
| C54499 – Ejector 303/390/391 12/20GA |
C90177 – Ejector Spring 390/391 12/20GA |
| C54731 – Firing Pin 303/390/391 12GA – Qty. 2 |
C92094 – Trigger Pin 303/390/391 12/20GA – Qty. 2 |
| C56426 – Firing Pin Ret. Pin 303/390/391 – Qty. 2 |
C92154 – Extractor Pin 303/390/391 |
| C56533 – Trigger Plate Ret. Pin 303/390 – Qty. 3 |
C92155 – Extractor Plunger 303/390/391 |
| C58933 – Cocking Handle 303/390/391 |
C97004 – Universal Short Pin 300 Series |
| C58967 – Piston Bushing Washer 391 – Qty. 2 |
C97019 – Piston Bushing Snap ring 303/390 – Qty. 5 |
| C58968 – Piston Bushing Snap Ring 391 12GA – Qty 2 |
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