The Rob Roberts Gun Works RR3 Raptor Mobil 12 Gauge 17-4 PH Stainless Steel choke is engineered for long-range targets, delivering dependable pattern density when chasing geese and open water ducks. Built with precision internal cuts that optimize pattern density when paired with the correct loads, this RR3 choke embodies years of product development and cutting-edge technology, using 17-4 PH U.S. stainless steel to withstand demanding field use. Designed for single-barrel compatibility on Over-Shotguns, the RRaptor choke cannot be installed in both barrels, ensuring optimized performance in the intended configuration. Crafted for 12 gauge platforms, its robust construction pairs rugged durability with high-performance threading and fit. The result is improved long-range capability, tighter patterns at extended distances, and consistent performance during waterfowl season. With its professional-grade materials and thoughtful design, this shotgun choke tube from Rob Roberts Gun Works offers trusted reliability for serious upland and waterfowl hunters seeking precise long-range engagement without compromising steel reliability or corrosion resistance.