From left to right: steel core, 57-N-231 standard AK military bullet with steel core, green tipped 57-N-231P tracer, the tracer cup (open at the bottom, made from copper washed steel) and lead tip. The jackets of both bullets are copper washed steel.
<a href="//commons.wikimedia.org/w/index.php?title=User:Vic2015&amp;action=edit&amp;redlink=1" class="new" title="User:Vic2015 (page does not exist)">Vic2015</a>
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<span class="int-own-work" lang="en">Own work</span>