BUILD YOUR OWN AK

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    HEAT TREATING COLOR IMAGES

The following images are to help out builders who may have B&W Kindle or Nook ereaders or purchased the Print edition of Volume II.
Coloration depicted may vary from monitor to monitor, so use it as a rough guide rather than the definitive source.

  Heat treat 1Heat treat 2

 (Pic 1 - above) Begining heat treatment... , (Pic 2) then dull cherry red...

  Heat treat 3Heat treat done

 (Pic 3 above) ...then glowing orange , (Pic 4) Post-quenching, the discoloration is normal.

  Heat treat 4after heat treat

 (Pic 5 above) Trigger axis pin hole...now glowing orange , (Pic 6) After treatment/quenching.

  more
  Ejector1Ejector2

 (Pic 8 above) Ejector - first a reddish color... , (Pic 9) ...tip now orange/yellow color.

  after temper

 (Pic 10 above) After tempering step....Blue/gray (almost silver in color)



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