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1919A4
Spade Grip Build Tutorial 2
      Install one of the long pins and make sure the linkage
and trigger fit loosely with no binding, then trim the excess
off the pin.
       Locate and drill a .096" #41 hole in the trigger retaining ears, 1/8" in
from the rear and 5/16" up from the bottom on both sides.
      Now pin in the trigger with a long pin and make sure the assembly fits
freely with no binding.
      Now assemble the grips with the top and bottom plates with the 1/4"
screws and get the parts aligned and tighten the screws.