I'm getting a tac-one and i was looking at pictures of people holding their tac-ones to see
what they look like. I saw that the people have a macroline thing at the bottom of the
trigger frame and the bottom of the reg., but they also had one going from the
bottom/back of the rail to the top of the reg. What is that?
what they look like. I saw that the people have a macroline thing at the bottom of the
trigger frame and the bottom of the reg., but they also had one going from the
bottom/back of the rail to the top of the reg. What is that?
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