The Reduced Backpressure System (RBS) line of SMG and rifle caliber suppressors. This revolutionary ,flow-thru, suppressor design features a low-pressure chamber design to absorb a substantial amount of gas, thereby reducing back pressure. This significantly minimizes, and in some cases, eliminates excess gas pressure at the charging handle and ejection port locations, making the RBS a top choice for submachine guns, assault rifles and machine guns.Features :Flow Through Internal DesignLow Pressure chamber to absorb vented gasDirect mount or QD attachment methods available762 RatedSurefire Mount Compatible