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Photo From: TJ Parmele - Album: Ammunition

Description: The round on the left is 62gr 5.56mm NATO and the one on the right is a 220gr .300 AAC Blackout subsonic cartridge. This round is available in both subsonic and supersonic loadings. The only difference for the AR15 is the barrel. It use the same bolt and magazine as 5.56mm/.223Rem.? Uploaded: 4/28/2011 by TJ Parmele
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