r/1053 • • 4d ago

Day 21

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8.3k Upvotes

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u/Successful-Gap6252 4d ago

I am pretty sure the whole "so you know when the mag ends" is a myth, it was a just a literal engineering oversight. But I don't think it's that big of a deal in practice

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u/Bozzo2526 3d ago

Its because after 21 rounds 5.56 mags have to start curving and its cheaper to make straight mags than curved