
How can I identify the “choke tubes” that came with my Weatherby® shotgun?
Choke tubes can be identified by the number and placement of small notches found on their muzzle (non- threaded) ends.
| O | Extra Full |
| I | Full |
| II | Improved Modified |
| III | Modified |
| IIII | Improved Cylinder |
| IIIII | Skeet |
| IIIIII | Cylinder |
| I-I | SC I |
| II-II | SC II |
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