
| Specification | Symbol | Notches |
|
|
| X-Full Turkey Special | Knurled * | Knurled * | X-Full | ** |
| Full | X | I | Full | ** |
| Improved Modified | XX | II | Imp. Modified | ** |
| Modified | XXX | III | Modified | Full |
| Improved Cylinder | XXXX | IIII | Imp. Cylinder | Modified |
| Skeet | XXXXX | IIIII | Skeet | Imp. Cylinder |
| Cylinder | No Notches | No Notches | Cylinder | Cylinder |