Standard invector tubes are available in chokes ranging from cylinder to extra-full. They produce patterns with excellent uniform densities. All Browning tubes are set to industry constriction standards. Chokes tubes are flush and made of 17-4 stainless steel.
| Attribute | Value |
| Type | Flush |
| Gauge | 12 Gauge |
| Constriction Type | Cylinder |
| Configuration | Invector |
| Finish | Stainless |
| ConstrictionDiameter | .000 |
| Chokes Included | 1 |
| Recommended For | 20 yds |
| Material | 17-4 Stainless Steel |
| Approved | Steel,Lead,Non-Tox |
| Ported | No |
| Manufacturer Part Number | 1130303 |
