UNF Suppresser Video https://buck-rail.com/wp-content/uploads/2021/09/UNF-Suppresser-Video.mp4In this video I install and test our 1/2-20 UNF Silencer on the Crosman 2240XL and Walther Parrus.Post navigationPrevious post: 1/2-20 UNF SuppressorTell us what you think!Cancel reply Continue with Google