o6 protos and dm's are about the same profile as a mag.
if i put my proto up next to my mag, the trigger, back of the tank, feedneck, and tip of my barrel line up perfectly between the two. makes it great if i need to use both because there is no difference except a little bit of weight.
if i put my proto up next to my mag, the trigger, back of the tank, feedneck, and tip of my barrel line up perfectly between the two. makes it great if i need to use both because there is no difference except a little bit of weight.
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