Rob Roberts Gun Works 200104 T2 Triple Threat Crio Plus 20 Gauge 17-4 PH Stainless Steel Shotshell Lead Loads They are designed to fit

They are designed to fit most RMR/Red Dots on the market and they have an open bottom that will fit your threaded barrels and compensators

Includes impact-resistant storage case

durable leaf-spring click adjustments and includes reversible

integrated Weaver style mounting system

ballistic calculation function

Rob Roberts Gun Works 200104 T2 Triple Threat Crio Plus 20 Gauge 17-4 PH Stainless Steel Shotshell Lead Loads They are designed to fitWhen needing a choke for shots at the mid range, such as flooded timber mallards, dove and most sporting clays targets, and 16 yard trap, this choke makes the grade. These choke tubes are built from years of product development and innovations using the highest advanced technology available. They are made out of 17 4 PH U. S. Stainless Steel.