Posted by Talon

Refer to the top-tier guns in my guide - I've listed the pros and cons for each gun, and which will be suitable for your style of playing, whether it be spraying or tactical.

http://www.graalians.com/forums/showthread.php?t=4705

As for mass PKing, two locations I can recommend are the Lethal Securities base and the area near the supermarket to the right of Start.