The Rob Roberts TSS Raptor Invector Plus 20 Gauge Choke is expertly crafted for those who demand precision and performance in the field. Designed specifically for wing shooting this choke tube excels when paired with premium tungsten shot enhancing your shooting experience. Part of the renowned RRaptor Series it benefits from years of meticulous product development and advanced technology. Constructed from durable 17-4 PH stainless steel this choke is built to withstand the rigors of consistent use. Its design ensures optimal performance in a single barrel delivering exceptional results every time.