it is a recoil operated LULZ brand Loongcat. it fires +p+ .45 DESU rounds also there is a tactical bubblegum attachment for kicking ass and chewing bubble gum

It seems a few million experiments have escaped a facillity and are invading every city in the U.K. It is our task to kill the freaks. Now go kick ass and chew bubblegum.... and you are not being issued any bubblegum for this mission.

http://www.youtube.com/watch?v=5T3z1ZjtpHg