Johnny Stewart Raptor RR1 Mobil 20 Gauge 17-4 PH Stainless Steel Choke Tube

The Johnny Stewart Raptor RR1 is a precision 20 Gauge choke tube engineered by Rob Roberts Gun Works for close-range shotgun patterning. Part of the Raptor series, the RR1 is positioned as the premium choice for close-range targets. Like every choke in the Raptor lineup, it is machined from 17-4 PH U.S. stainless steel on state-of-the-art CNC equipment to tolerances well beyond industry standard.

The Raptor RR1 is threaded in the MobilChoke pattern for direct drop-in installation on 20 gauge shotguns with MobilChoke threading. The 17-4 PH stainless steel construction delivers long service life in the field, whether you are patterning at the range or hunting in wet weather.

Rob Roberts Gun Works specializes in performance-focused shotgun and rifle customization with computerized pattern analysis and full custom builds, and the Raptor line brings that custom-shop expertise to a drop-in choke. For 20 gauge shotguns with MobilChoke threading, the RR1 delivers a purpose-built constriction designed specifically for close-range work.