Brannigan’s Blackhearts #3 – Enemy Unidentified is almost finished. So, in the spirit of past releases, here’s some of the gun porn for the Blackhearts’ latest adventure! This time around, staging out of Texas for an op in the Gulf of Mexico, the Blackhearts are rolling with a bit more conventional loadout. Their primaries are LWRC M6A2 carbines, chambered in 5.56x45mm NATO.