- Longer choke taper inside Invector-Plus choke tubes for back-bored barrels
- Stainless steel barstock is heat treated prior to machining
- Titanium nitrite surface 72HRC hardness for excellent wear and reduced plastic build-up
- Absolutely perfect concentricity for superior patterning
- Extends beyond the barrel for easy removal and installation
- Browning Diana Grade choke tubes produce tighter patterns than Browning Invector-Plus choke tubes
12 Gauge only in stock. 20 Gauge Diana choke tubes available by special order. Call or email for details.
Carry your Browning Diana Choke Tubes in the Browning Zippered Choke Tube Case.