Browning Diana 28 Gauge Choke Tube Improved Cylinder Titanium Nitride

Buy your Browning Diana Grade Choke Tubes from BattleHawk Armory!The Gold Standard for choke tubes. What makes these 28 gauge Standard Invector choke tubes different?Stainless steel barstock is heat treated prior to machiningTitanium nitride surface 72HRC hardness for excellent wear and reduced plastic buildupAbsolutely perfect concentricity for superior patterningAvailable in constrictions ranging from Skeet to FullExtends beyond the barrel for easy removal and installationFlat choke wrench is not compatible with Diana Grade Extended choke tubesFits shotguns that require 28 gauge Standard Invector choke tubes only.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).