Browning Diana Grade Invector-Plus 12 ga Extended Choke Tube – Improved Modified


The Gold Standard for choke tubes. The longer choke taper inside Diana Grade Invector-Plus choke tubes improves pattern performance. These tubes are for use with back-bored barrels on 12 gauge shotguns. They offer a superior construction from stainless steel bar stock that is heat treated prior to machining. The use of a titanium nitride surface with 72HRC hardness provides excellent wear and reduced plastic buildup, and they look beautiful on the muzzle end of your Browning Citori.

  • Longer choke taper inside Invector-Plus choke tubes for use with back-bored barrels.
  • Stainless steel barstock is heat treated prior to machining
  • Titanium nitride surface 72HRC hardness for excellent wear and reduced plastic buildup
  • Absolutely perfect concentricity for superior patterning
  • Extends beyond the barrel for easy removal and installation

Invector-Plus choke tubes fit only Browning shotguns designed for Invector-Plus and are NOT for use in shotguns showing Standard Invector or Invector-DS on the barrel(s).


2 in stock

SKU: 023614201694 Categories: ,


Material:   17-4 Stainless SteelColor: Titanium Nitride
Finish: Titanium NitrideChoke Gauge:   12
Choke Pattern Percentage: 45%-75%Length:   3.125″
Weight: 1.5 oz

Additional information

Weight .07 kg
Dimensions 19 × 12 × 4 cm