The Beretta 686 Silver Pigeon I MY19 is a well-regarded over-and-under shotgun known for its reliability and performance, particularly in clay shooting and upland game hunting. Here are some key features and specifications typically associated with this model:

1. Gauge: 12 gauge

2. Chamber: 76 mm (3 inches), allowing for a variety of cartridge options.

3. Barrel Length: 71 cm (approximately 28 inches), providing a good balance for both swing and stability.

4. Action: The gun operates with an inertia-driven action, known for its smoothness and responsiveness.

5. Stock and Forend: Typically made from high-quality walnut, it usually has an oil finish for durability and aesthetics, with checkering for better grip.

6. Chokes: The shotgun typically includes interchangeable chokes, allowing the user to adapt to different shooting scenarios (e.g., trap, skeet, hunting).

7. Trigger: The trigger mechanism is known for its crispness and adjustability, enhancing user comfort and performance.

8. Weight: Generally, the weight of the gun is balanced and comfortable for prolonged use.

9. Engraving: The Silver Pigeon series is noted for its elegant engraving on the receiver, adding to its visual appeal.

This shotgun is favored by both amateur and professional shooters for its blend of craftsmanship, functionality, and aesthetic appeal. Always check the specific model details, as features can vary. If you're considering purchasing one, it's advisable to handle the shotgun personally to ensure it meets your preferences in terms of fit and handling.