GETTING MY FRT-15L3 TO WORK

Also any person know somebody that does wonderful engraving which will make me a third position marking with a Aero M4E1 lower to match the Harmless and hearth markings fashion it's? Or a decent vinyl sticker that may go there if all else fails.I'd begin with no bolt bodyweight, the BMA set up, no bolt fat plus the suppressor (in case you are likel