Standard invector tubes produce patterns with excellent uniform densities. It is set to industry constriction standards and are made of 17-4 stainless steel. Standard Invector choke tubes fit only Browning shotguns designed for Standard Invector and are NOT for use in shotguns showing Invector-Plus or Invector-DS on the barrel(s).
| FireArm | No |
| Finish | Stainless |
| Type | Flush |
| Gauge | 20 Gauge |
| Constriction Type | Improved Cylinder |
| Configuration | Invector |
| ConstrictionDiameter | .009 |
| Recommended For | 30 yds |
| Approved | Steel,Lead,Non-Tox |
| Chokes Included | One Choke |
| Material | 17-4 Stainless Steel |
| Ported | No |
