Is 5.56 NATO ammo the same as ammo identified as 5.56 x 45 NATO? If not what is the difference

Question

Is 5.56 NATO ammo the same as ammo identified as 5.56 x 45 NATO?  If not what is the difference

Ed C. · Answer

James, 5.56 x 45 mm is another name for 5.56 NATO, they are the same.

Michael W. · Answer

James, Yes there are the same ammo. 5.56 x 45 is loaded to Saami Specs and .556 Nato is loaded to Nato specs. Just a little hotter.

James G. · Answer

James, they are one and the same. 5.56, 5.56 NATO, 5.56 x 45m all reference the same ammunition caliber. Cheers and stay safe!

Trin K. · Answer

Yes!!

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