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08:01 Jan 16, 2008
Bulgarian to English translations [Non-PRO] Military / Defense
Bulgarian term or phrase:раковина
deposit or powder residue on the inside of a barrel formed after shooting
thanks, i was lost. first i thought it was rust spots, then had second thoughts and considered gunshot residue for a while and ... got lost :). thanks a lot, really! 4 KudoZ points were awarded for this answer
It is just a remark. I work with people who understand these matters and they say this is actually the formation after the surface inside the barrel has been damaged and then the rust expands and deepens.