Installation Manual for LSS and HS3 chassis Maarten Van Ruitenburg October 03, 2016 08:39 Follow Manual for the LSS and HS3 chassis can be downloaded in PDF format below. Note: For the LSS for Ruger American, the magazine latch needs to be installed, as the bolt is located directly above it. Please see manual insert included below. LSS_HS3 Manual.pdf (900 KB) LSS Installation Manual - Ruger American.pdf (400 KB) Have more questions? Submit a request 0 Comments Please sign in to leave a comment.