Summary: I had a conversation with Nathan Lombard from Crimson Trace to get a better understand of their product. Had to do virtual surgery on he audio to get it loud enough so never mind the strange feedback. You can find more info at www.crimsontrace.com or contact Crimson Trace customer service for a free packet and DVD at (800) 442-2406 to order the catalog and DVD online visit http://www.crimsontrace.com/Home/GetACatalog/tabid/265/Default.aspx
