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Self Defense

M-16 (Full Auto)

First, I’ll note that 223 and 5.56 mm are the same round. The only difference is that 223 uses the imperial system of units while 5.56 mm uses, obviously, the metric system of units. A whole separate issue, but the United States needs to join the rest of the industrialized world in adopting the metric … Continue reading »

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Categories: Weapons Training | Comments Off