The Secret Online Weapons Store That'll Sell Anyone AnythingSam Biddle7/19/12 2:40pm80122EditPromoteGo to permalinkThe Bushmaster M4 is a 3-foot rifle capable of firing thirty 5.56×45mm NATO rounds, and used by spec ops forces throughout Afghanistan. It's a serious weapon. But in the Internet's darkest black market, it's all yours. Who needs a background check? Nobody.