Hey Derek! I just made a quick check and couldn't believe - SIG actually listened. They once again have the full manual in the website for free download - just go to sigmfg.com and about 2/3 across the gray menu line is the entry "Product Support
Videos, Manuals, Tech Articles" - click that. Red line underneath that has an entry - Sig Instruction Manuals - click that. About 3/4 down is an entry
Discontinued Kits - click that. 24th line down, on the right, is the full manual for RC51, and the set-up instructions.