Differences Between 5.56×45 NATO and .223 Remington


Great video by┬áDocTacDad who describes the differences between the 5.56×45 and the .223 Remington round.

According to the Sporting Arms and Ammunition Manufactures’ Institute (SAAMI) It is dangerous to shoot a 5.56×45 NATO in a gun chambered in the sporting round of .223 Rem



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