Standard Invector was among the earliest of interchangeable choke tubes systems. Easy to use and durable, Standard Invector choke tubes gave hunters and target shooters the confidence they needed to make the shots that they were encountering. This innovative design is so good, it's still used on new shotguns today.
Standard Invector 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).
Do not use X-Full Turkey/Trap Special or Full constriction choke tubes with steel shot. Using an over-tight choke constriction with steel shot will result in an ineffective “blown” shot pattern.
X-Full Turkey choke tube has a short extension beyond the muzzle, a knurled end, and is ported.
