The Call of Duty 4 1.6 patch and map pack for PC wasn't technically supposed to be released until tomorrow for normal users but it has leaked and is now available to everyone. Click to download the Call of Duty 4 1.6 patch The 1.6 patch fixes several weapon bugs and a multiplayer server exploit, killcams are not in this patch due to technical issues but will be released in 1.7. The map pack gives PC users 4 ...