It's appx. 847 lbs.
This is the reason I asked:
Update on Saudi Arabia’s progress in the War on Terrorism
On November 26, 2003, a suspected terrorist was arrested. The suspect’s hiding place was linked to the terrorist cell involved in the November 9 car bombing at the Al-Muhaya residential complex in Riyadh. Search of the hiding place revealed large quantities of arms and documents. Items discovered by security forces include one SAM-7 surface-to-air missile, five rocket-propelled grenade launchers, 384 kilogram of the powerful explosive RDX, 89 detonators, 20 hand grenades, eight AK-47 assault rifles, 41 AK-47 magazines, and 16,800 rounds of ammunition. Also recovered were four wireless communication devices, three computers, computer disks and CDs, and SR 94,395 in cash, as well as numerous identity cards and leaflets calling for the perpetration of acts of terror.