by David Crane david@defensereview.com Back in October, DefenseReview reported on the Cavalry Arms CAV-15 MKVII polymer lower receiver for AR-15/M16 rifles. Well, Calvalry Arms Corporation also makes AR15 buttstock adapter systems/M1913 Picatinny rail optics mounting platforms for the Remington 870 shotgun (pump-action) and Mossberg 590 shotgun (pump-action) that allow the operator to attach an AR-15/M16/M4/M4A1/CAR-15 telescoping/retractable stock. The adapter system …
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