Sporting Goods 
Pet Supplies 
You will see a patterns similar to a Full constriction choke on paper with a 2 ¾" or 3" shell and a Modified with a 3 ½" shell, but because of the patented "stud ring" inside the tube, there is a much shorter shot string.
| 12 GA | BENELLI CRIO / BERETTA OPTIMA PLUS DUCK |
|---|---|
| Brand | Patternmaster |
| Country of Manufacture | United States |
| Country/Region of Manufacture | United States |
| For Gun Make | Beretta |
| For Gun Type | Shotgun |
| GTIN | 0879115003721 |
| MPN | 5372 |
| Model | Code Black Duck |
| Type | Choke Tube |
| UPC | 0879115003721 |
| the store Product ID (ePID) | 2255144504 |
