HUXWRX Safety Company Flow 6K, Suppressor, 6MM, Flat Dark Earth, 17-4PH Stainless Steel, Fits HUXWRX Muzzle Devices 2971 Precision redefined, the first dedicated 6mm Flow-Through suppressor from HUXWRX Safety Co. to fit all applications. The FLOW 6k suppressor delivers superior toxic fume exposure mitigation, sound reduction, recoil reduction, accuracy, and repeatability.