Guns.com - Officially dubbed the Gilboa Snake by Israeli manufacturer Silver Shadow, we finally have some solid details about this double-barreled AR-15-based rifle. Strictly speaking, it's more of a Personal Defense Weapon (PDW)-type Short-Barreled Rifle (SBR). The Snake is most notable for its twin 9.5-inch barrels and large matching compensators with jagged standoff teeth, but it should be noted that it's also piston-driven. Click Here to read the complete article.