The Franchi Affinity 3 is a versatile and reliable semi-automatic shotgun designed for hunting and shooting sports. Here are some details about the Franchi Affinity 3 in 12 gauge:

- Gauge: 12 gauge
- Action: Semi-automatic
- Capacity: 4+1 rounds (3+1 for 3.5" models)
- Barrel Length: Available in various lengths, typically ranging from 26 to 28 inches
- Overall Length: Varies based on barrel length
- Weight: Varies depending on the configuration, averaging around 7 to 7.5 pounds
- Stock: Synthetic or walnut stock options available
- Chokes: Comes with multiple choke tubes for versatility in patterning 
- Recoil Pad: Equipped with a recoil pad for reduced felt recoil
- Finish: Typically features a black synthetic finish 

The Franchi Affinity 3 is known for its fast and reliable cycling, smooth handling, and durability. It is a popular choice among hunters and sports shooters for its performance in the field. The shotgun's design and features make it well-suited for a variety of hunting and shooting applications.

If you have any specific questions or need more detailed information about the Franchi Affinity 3, feel free to ask!