Except the weapon of choice throughout the Middle East and especially the insurgency is the ubiquitous AK-47. This weapon is usually supplied through international arms dealers who obtain their supplies form the Russian, Chinese and in some cases the French. Iran, of course is a major supplier.. (Discovered, by the way, by our CIA)
So, by jno's reasoning, the U.S. should never have armed the U.K. before, during and certainly after WWII... heck you guys might be on our door step demanding the return of Virginia or New England... had we only known...