MR-1 Convertible Kit Barrel Finish:DLC - Black Approximate turnaround: 5–7 weeks

Approximate turnaround: 5–7 weeks

Porting OptionsChoose the porting style that best suits your shooting goals:

Quality Control: Each barrel is installed in our in-house shop model and function-checked to ensure proper lockup and precise port-to-window alignment prior to shipment

durable contact surface that helps your thumb/index maintain positive purchase during manipulations—great for faster

Surface treatments: Pair with Slide Cerakote or surface treatments for a finished look and added protection

MR-1 Convertible Kit Barrel Finish:DLC - Black Approximate turnaround: 5–7 weeksThe DSC MR 1 Convertible Kit is a true drop in compensator barrel system designed to reduce muzzle rise, improve shot to shot recovery, and give you a modular setup without permanent modification to your firearm. This kit allows you to run a compensated setup or quickly convert back to a standard threaded barrel configuration whenever you choose all while maintaining reliable cycling and match grade accuracy. No gunsmith fitting required. Kit Includes