xtry51
NES Member
For those who don't know, the number after the AR is the Brinell hardness (BHA).
M855 will go clean through a 1/4" AR300 and penetrate through occasionally on 1/4" AR400.
AR500 will stop M855 and barely show a slight dimple.
M855 will go clean through a 1/4" AR300 and penetrate through occasionally on 1/4" AR400.
AR500 will stop M855 and barely show a slight dimple.
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