Manufacturer: Browning 1137193
Browning Diamond Grade Choke Tubes have longer choke taper inside 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.
Specifications and Features:
Titanium nitride finish with black accent band
Produce tighter patterns than Browning Invector-Plus choke tubes
Matching tubes for the Citori 625
Constriction (inches): .005"