ASA-M4CS1 SIDE CHARGING CARBINE
5.56 NATO cal., GIO, carbine length gas system, 16 in. M4 profile barrel with A2 flash hider, 30 shot PMAG, low profile gas block, M4 feed ramps, flat-top receiver (side charging upper became standard 2015) with Picatinny rail, 10 in. Samso...