The Rob Roberts Gun Works 200288 Biz Raptor Crio Plus 20 Gauge 17-4 PH Stainless Steel delivers precision-engineered performance for discerning shotgun enthusiasts, pairing bismuth-based shot with the RRaptor BIZ choke to optimize patterning and terminal performance. Built to withstand field use, the choke tubes are crafted from 17-4 PH U.S. Stainless Steel, reflecting years of product development and advanced technology to maximize durability, corrosion resistance, and consistency across shots. Bismuth shot is widely favored in the industry for its density and effectiveness, and pairing it with the RRaptor BIZ choke enhances uniformity and extended-range performance, helping shooters achieve tighter, more reliable patterns. The design accommodates single-barrel use on over-shotguns, preserving compatibility and ease of integration within existing setups while delivering the proven benefits of the RRaptor series. This component is a robust addition to any shotgun rig, offering a professional-grade option for serious waterfowl, upland, and sporting use where precision, durability, and resilience under field conditions matter most.