Invector Plus Diamond Grade Extended Choke Tubes Browning Diamond Grade Choke Tubes have longer choke taper inside Invector-Plus choke tubes for use with back-bored barrels. They have 17-4 stainless steel construction with diamond-cut knurling that extends beyond the end of the barrel for easy removal and installation.
- Titanium nitride finish with black accent band
- Produce tighter patterns than Browning Invector-Plus choke tubes
- Matching tubes for the Citori 625
- Perfect concentricity for superior patterning
- Gauge 20
- Constriction (inches) .015"
- Type Light Modified
Manufacturers Link www.browning.com