GR-15 ORHS (OPTICS READY HUNTER STANDARD)
5.56 NATO cal., GIO, 16 or 20 in. E.R. Shaw chrome moly heavy weight barrel, M4 feed ramps, charging handle, free float aluminum forend, Mil-Spec trigger, 5 (20 in.) or 10 (16 in.) shot mag., A3 flat-top upper, high riser block for optics,...