Morrissey
First off - Welcome to TFL Soldier.
Second - If you look up at at the top right side of the screen... no, your other right Soldier... you will see, in small print, a link button labled "search". Click on it. Type in Marlin Guide and hit the search button.
You will come up with 40 or so topics that discuss the Marlin Guide, its capabilities, limitations, and other options.
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Schmit
GySgt, USMC(Ret)
NRA Life, Lodge 1201-UOSSS
"Si vis Pacem Para Bellum"