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Guest
·Hey guys,
Has anyone ever thought of making an AR upper in 5.7 x 28mm with a 30rd or 40rd mag. I think it would make an awesome addition to the AR series. What do you guys think.




Has anyone ever thought of making an AR upper in 5.7 x 28mm with a 30rd or 40rd mag. I think it would make an awesome addition to the AR series. What do you guys think.