M419 Combat CQB SE CAMO Black MOD LE MARK II

"The M419 Combat CQB SE CAMO Black MOD LE MARK II is the powerfully upgraded version of the M419 Combat CQB SE CAMO Black MOD LE, featuring a new configuration, almost all of the barrels pointed in the same direction and an additional 3 points of portability!"

- Arsenal

Overview
As a Mark II variant, it is implied to be better. It seems to now include:
 * M69HE Frag

Events
Here are a list of events that feature the M419 Combat CQB SE CAMO Black MOD LE MARK II. This weapon was 'sold' for permanent:
 * during the April Fool's Joke event 2013 for 999,997 NX.
 * during the April Fool's Joke event 2014 for 99 NX.