by David Crane david@defensereview.com DefenseReview just read an interesting piece on the Calvalry Arms CAV-15 MKII AR-15 lower receiver in the latest issue of "S.W.A.T." Magazine. According to the author, Mike Detty, Shawn Nealon (of Cavalry Arms) came up with the idea of doing a polymer AR-15/M16 fixed-stock lower receiver back in 1990, while he was in Desert Storm. Basically, …
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