The Rob Roberts Gun Works RR1 Raptor Invector Plus 20 Gauge 17-4 PH Stainless Steel chokes deliver optimized pattern density at close ranges when paired with the right loads, making them a practical choice for fast, precise upland and waterfowl scenarios. Engineered from years of development and leveraging 17-4 PH U.S. stainless steel, these choke tubes exhibit exceptional hardness and corrosion resistance while maintaining precise internal cuts that influence shot distribution for dependable performance. The RR1 design focuses on delivering consistent patterns with compatible loads, helping shooters maximize hit potential without sacrificing durability or reliability in demanding field conditions. Built for 20 gauge platforms, this choke tube aligns with the rugged standards Rob Roberts Gun Works is known for, combining aerospace-grade metallurgy with practical field testing to support repeatable results season after season. Its worth noting that Over-Shotguns can have a RRaptor choke in only one barrel, as the design does not allow for placement in both barrels, ensuring clear compatibility considerations for diverse shotgun setups.