Quote:
Originally Posted by 35NCO
The discoloration of the tip of the projectile is interesting. Appears to be 7.62x39 lead ball. Because of the short distance of the tip to the meplat of the lead core, I beleive it is Russian, quite possibly Ulyanovsk FMJ.
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The tip is not "discolored," it appears darker on the radiograph because of the effect of composite density. In this case the high density or radiographically opaque metal of the bullet is superimposed on the low density or lucent oropharynx. If you follow the lucency of the airway you see it is responsible for that radiographic change in density: