Diana Grade Extended Choke Tubes Browning Diana Grade choke tubes produce tighter patterns than Browning Invector Plus choke tubes.
- Stainless steel barstock and heat treated prior to machining
- Titanium nitride surface 72RC harness for excellent wear and reduced plastic build-up
- Absolutely perfect concentricity to provide superior patterning
- Choke Improved Cylinder
- Color Titanium Nitride, black band
- Constriction (Inches) 0.01
- Gauge 20 Gauge
- Fit Fits Browning 12 and 20 gauge back bored Invector Plus barrels, and Browning 28 gauge Standard Invector Barrels.
Two year warranty from date of purchase.
Manufacturers Link www.browning.com