Diamonds are a shooter's best friend.  Matching tubes for several Citori Sporting models in 12 gauge. Clearly a performance tube and clearly beautiful. 

Features:

• 17-4 stainless steel construction  
• Absolutely perfect concentricity for superior patterning
• Diamond-cut knurling extends beyond the end of the barrel for easy removal and installation 
• Titanium nitride finish with black accent band
• Available in constrictions from Cylinder to Full
• Fits back-bored Invector-Plus barrels on 12 gauge shotguns ONLY

Invector-Plus Extended 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).

Specifications: