Constantly studying spots welds, mag well dimple shapes, center support rivet heads and selector markings for the last 12 years...
BTW - Keep your BFH away from my AK!
WTB Late East German 7.62 top cover and gas tube numbered 687.
Finally got my hands on a Rugged M15x1 mount.
Look for a number 17 locking piece if you can.
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