Posted 26 Sep 2018 This is an extended selector lever that, if I remember correctly, I purchased from RTG parts several years ago. I used it on my HK41s and its been used very little. It should work on any HK 9 series metal trigger housing. $75 shipped in the US, priority mail. Steve majorstevemo@gmail.com Maryville, Missouri, United States Share this post Link to post Share on other sites