Iver johnson choke tube 28ga.Improved modified mobil choke Other Features: Mobil choke style threads
Specifications:
| Thread Pattern | Mobil |
| Material | Steel |
| Flush Or Extended | Flush |
| Choke/id | Improved Modified |
| Gauge | 28ga |
| Dimension | 1.10 X 2.05 X 2.85 |
