left side sbr ar15 / m16 with collapsible stock, 7.5` barrel and 20rd mag

20rd 30rd 50rd adjustable ammo ar15 assault background barrel barreled black blue buffer bullets caliber capacity close collapsed collapsible combat control defense distressed drum enforcement extended firearm furniture grip guard hand inch issolated left loaded long lower m16 magazine military muzzle paint pistol quarters recreational rifle shooting short shot side sights stock tactical trigger tube upper view weapon white with