Introducing the Whisper-Flow rimfire direct mount silencer, the latest addition to our innovative line of firearms silencers. Building upon the success of our original Whisper series, the Whisper-Flow series features several improvements that our customers have been asking for. The 9mm model boasts three blast chambers and three significantly opened up flow segments for maximum sound reduction and improved flow through performance. No need for adjustible gas blocks, the whisper flow line is flow-through, and thanks to its high durability polymer construction, this silencer is not only strong but also lighter weight and thinner than its predecessor, making it perfect for a variety of firearms. Plus, with its affordable price point, the Whisper-Flow rimfire direct mount silencer is a must-have for any firearm enthusiast looking for top-notch quality at an unbeatable value.