The Rob Roberts Gun Works 200172 Final Strut Turkey Choke Invector 20 Gauge delivers proven turkey-hunting performance with a precision-built design tailored to take advantage of 20 gauge platforms. Engineered by Rob Roberts Gun Works, this Final Strut choke uses an Invector-compatible profile to create an ideal balance of dense, long-range patterns and reliable performance in gobbler-season conditions. With a constriction diameter of .570, it is crafted to optimize payload density at typical turkey ranges while maintaining workable shot distribution, helping shooters maximize effective engagement after calling and setup. The 20 gauge configuration offers manageable recoil and versatile field handling, making it a strong choice for turkey hunters who prioritize control, consistency, and fast, ethical follow-up shots. Whether swapping chokes on a seasoned setup or equipping a trusted field gun for spring hunts, this choke tube integrates seamlessly with compatible barrels to deliver repeatable results across a variety of loads. From early sunrise ambushes to late-season clucks, the Final Strut design emphasizes reliability, enabling hunters to exploit moments of opportunity with confidence and precision.